<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet type="text/xsl" href="https://community.element14.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>How to Make a Custom Soundboard with the STM32F4 using FreeCAD -- Episode 568</title><link>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568</link><description /><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>How to Make a Custom Soundboard with the STM32F4 using FreeCAD -- Episode 568</title><link>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568</link><pubDate>Fri, 16 Sep 2022 07:24:00 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:c417082e-3331-489c-9161-2b25bc87fd9e</guid><dc:creator>Matt</dc:creator><comments>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568#comments</comments><description>Current Revision posted to Documents by Matt on 9/16/2022 7:24:00 AM&lt;br /&gt;
&lt;p&gt;&lt;a href="https://www.youtube.com/watch?v=nqjH_f2afpw"&gt;www.youtube.com/watch&lt;/a&gt;&lt;/p&gt;
&lt;p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"&gt;Help! Our band needs a sound effect to be played, quickly and with minimal fuss. So why not make a custom box to be on hand for anytime a sound effect is needed. With an STM32 microcontroller and a speaker I set out to make a box to do just that.&lt;/p&gt;
&lt;p style="margin:0;padding:0px;"&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3 id="mcetoc_1gcfbb4sk1"&gt;Supplemental Content:&lt;/h3&gt;
&lt;ul&gt;
&lt;li&gt;&lt;span style="color:#303030;"&gt;Link to the Github:&amp;nbsp; &lt;a class="jive-link-external-small" title="https://github.com/hifromkatie/SoundEffectInstrument" href="https://github.com/hifromkatie/SoundEffectInstrument" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t"&gt;https://github.com/hifromkatie/SoundEffectInstrument&lt;/a&gt; &lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-03-81/568_5F00_resources.zip" data-e14adj="t"&gt;Episode 568: Resources&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;h3 id="mcetoc_1gcfbb4sk1"&gt;Bill of Material:&lt;/h3&gt;
&lt;table class="e14-product-bom-main"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;th&gt;Product Name&lt;/th&gt;
&lt;th&gt;Manufacturer&lt;/th&gt;
&lt;th&gt;Quantity&lt;/th&gt;
&lt;th&gt;&lt;a id="e14-product-link-c3215" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885&amp;nsku=99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_BUY_KIT" class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('c3215'));" data-farnell="2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885" data-newark="99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetema=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetasia=",,undefined~4,,,undefined~4,,,,,,,,," &gt;Buy Kit&lt;/a&gt; &lt;/th&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Development Kit, STM32F412ZG MCU, ST-LINK/V2-1 Debugger/Programmer, 240x240 Pixel TFT color LCD&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-f9255" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593&amp;nsku=99Y9678&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('f9255'));" data-farnell="2664593" data-newark="99Y9678" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADAFRUIT 20W AMPLIFIER KIT MAX9744 68X4713&lt;/td&gt;
&lt;td&gt;ADAFRUIT&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-35960" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2816361&amp;nsku=68X4713&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('35960'));" data-farnell="2816361" data-newark="68X4713" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MIDAS Graphic OLED, 128 x 32 Pixels, White on Black, 3V, SPI, 32.5mm x 20.5mm, -40 &amp;deg;C&lt;/td&gt;
&lt;td&gt;MIDAS&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-33da1" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3154940&amp;nsku=21AH3302&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('33da1'));" data-farnell="3154940" data-newark="21AH3302" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;HERGA Foot Operated Switch, 6289, SPCO, 6 A, 250 V, 24 mm&lt;/td&gt;
&lt;td&gt;HERGA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-41ec8" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=422940&amp;nsku=06WX5562&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('41ec8'));" data-farnell="422940" data-newark="06WX5562" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, 20.2 mm, DPST, Off-(On), Round Raised, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-f30dd" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634670&amp;nsku=03P2495&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('f30dd'));" data-farnell="1634670" data-newark="03P2495" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, R13-24, 7.2 mm, SPST-NO, Off-(On), Round, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-4204f" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634687&amp;nsku=03P2471&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('4204f'));" data-farnell="1634687" data-newark="03P2471" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Linear Voltage Regulator, Fixed, Positive, 10V To 35V In, 5V And 2A Out, TO-220-3&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-c801d" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9756086&amp;nsku=72K7181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('c801d'));" data-farnell="9756086" data-newark="72K7181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO AC/DC Power Supply, Level VI, ITE, 1 Output, 24 W, 12 V, 2 A&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-83548" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3497093&amp;nsku=78AH1886&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('83548'));" data-farnell="3497093" data-newark="78AH1886" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Plastic Enclosure, Desktop Case, Instrument, ABS, 250 mm, 180 mm, 100 mm&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-53f8d" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1635120&amp;nsku=03P2280&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('53f8d'));" data-farnell="1635120" data-newark="03P2280" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADASTRA 3&amp;quot; Weatherproof Speaker White, 100V / 8 Ohm - 30W RMS&lt;/td&gt;
&lt;td&gt;ADASTRA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-ce5de" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3370673&amp;nsku=55X0444&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('ce5de'));" data-farnell="3370673" data-newark="55X0444" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;2.1MM DC SOCKET&lt;/td&gt;
&lt;td&gt;PRO POWER&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-5dc0b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3498418&amp;nsku=78AH2110&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('5dc0b'));" data-farnell="3498418" data-newark="78AH2110" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Plug, 3 Contacts, Solder Pin, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-a4e63" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212128&amp;nsku=23AH4181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('a4e63'));" data-farnell="1212128" data-newark="23AH4181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Receptacle, 3 Contacts, Solder Socket&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-8867c" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831871&amp;nsku=23AH4108&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('8867c'));" data-farnell="1831871" data-newark="23AH4108" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Receptacle, 4 Contacts, Solder Socket, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-ddd75" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212137&amp;nsku=23AH4182&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('ddd75'));" data-farnell="1212137" data-newark="23AH4182" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Plug, 4 Contacts, Solder Pin&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-9dd60" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831885&amp;nsku=98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('9dd60'));" data-farnell="1831885" data-newark="98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr class="xs-hide"&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"&gt;
&lt;div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"&gt;&lt;a href="/challengesprojects/element14-presents/" data-e14adj="t"&gt;&lt;img alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;div style="display:inline-block;vertical-align:top;width:70%;"&gt;&lt;br /&gt;
&lt;p style="margin:0;"&gt;&lt;span&gt;&lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/" data-e14adj="t"&gt;element14 presents&lt;/a&gt;&lt;/span&gt;&amp;nbsp; &lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/vcp-program/w/documents/5024/vcp-biography-katie" data-e14adj="t"&gt;About Katie Dumont&lt;/a&gt;&amp;nbsp;&lt;span style="padding-right:5px;"&gt;&lt;/span&gt;&lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/" data-e14adj="t"&gt;Project Videos&lt;/a&gt;&lt;/p&gt;
&lt;p style="margin:0;"&gt;&lt;/p&gt;
&lt;/div&gt;
&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: band, e14p_KD, stm32, sound, music, sound effects, friday_release, instrument&lt;/div&gt;
</description></item><item><title>Episode 568: How to Make a Custom Soundboard with the STM32F4 using FreeCAD</title><link>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568/revision/4</link><pubDate>Fri, 09 Sep 2022 17:31:35 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:c417082e-3331-489c-9161-2b25bc87fd9e</guid><dc:creator>tariq.ahmad</dc:creator><comments>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568#comments</comments><description>Revision 4 posted to Documents by tariq.ahmad on 9/9/2022 5:31:35 PM&lt;br /&gt;
&lt;p&gt;&lt;a href="https://www.youtube.com/watch?v=nqjH_f2afpw"&gt;www.youtube.com/watch&lt;/a&gt;&lt;/p&gt;
&lt;p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"&gt;Help! Our band needs a sound effect to be played, quickly and with minimal fuss. So why not make a custom box to be on hand for anytime a sound effect is needed. With an STM32 microcontroller and a speaker I set out to make a box to do just that.&lt;/p&gt;
&lt;p style="margin:0;padding:0px;"&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3 id="mcetoc_1gcfbb4sk1"&gt;Supplemental Content:&lt;/h3&gt;
&lt;ul&gt;
&lt;li&gt;&lt;span style="color:#303030;"&gt;Link to the Github:&amp;nbsp; &lt;a class="jive-link-external-small" title="https://github.com/hifromkatie/SoundEffectInstrument" href="https://github.com/hifromkatie/SoundEffectInstrument" rel="nofollow ugc"&gt;https://github.com/hifromkatie/SoundEffectInstrument&lt;/a&gt; &lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-35/568_5F00_resources.zip"&gt;Episode 568: Resources&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;h3 id="mcetoc_1gcfbb4sk1"&gt;Bill of Material:&lt;/h3&gt;
&lt;table class="e14-product-bom-main"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;th&gt;Product Name&lt;/th&gt;
&lt;th&gt;Manufacturer&lt;/th&gt;
&lt;th&gt;Quantity&lt;/th&gt;
&lt;th&gt;&lt;a id="e14-product-link-a6f3a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885&amp;nsku=99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_BUY_KIT" class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('a6f3a'));" data-farnell="2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885" data-newark="99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetema=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetasia=",,undefined~4,,,undefined~4,,,,,,,,," &gt;Buy Kit&lt;/a&gt; &lt;/th&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Development Kit, STM32F412ZG MCU, ST-LINK/V2-1 Debugger/Programmer, 240x240 Pixel TFT color LCD&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-df881" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593&amp;nsku=99Y9678&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('df881'));" data-farnell="2664593" data-newark="99Y9678" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADAFRUIT 20W AMPLIFIER KIT MAX9744 68X4713&lt;/td&gt;
&lt;td&gt;ADAFRUIT&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-886f9" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2816361&amp;nsku=68X4713&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('886f9'));" data-farnell="2816361" data-newark="68X4713" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MIDAS Graphic OLED, 128 x 32 Pixels, White on Black, 3V, SPI, 32.5mm x 20.5mm, -40 &amp;deg;C&lt;/td&gt;
&lt;td&gt;MIDAS&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-6b7cd" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3154940&amp;nsku=21AH3302&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('6b7cd'));" data-farnell="3154940" data-newark="21AH3302" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;HERGA Foot Operated Switch, 6289, SPCO, 6 A, 250 V, 24 mm&lt;/td&gt;
&lt;td&gt;HERGA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-42e5d" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=422940&amp;nsku=06WX5562&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('42e5d'));" data-farnell="422940" data-newark="06WX5562" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, 20.2 mm, DPST, Off-(On), Round Raised, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-00f2e" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634670&amp;nsku=03P2495&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('00f2e'));" data-farnell="1634670" data-newark="03P2495" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, R13-24, 7.2 mm, SPST-NO, Off-(On), Round, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-09681" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634687&amp;nsku=03P2471&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('09681'));" data-farnell="1634687" data-newark="03P2471" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Linear Voltage Regulator, Fixed, Positive, 10V To 35V In, 5V And 2A Out, TO-220-3&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-f6448" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9756086&amp;nsku=72K7181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('f6448'));" data-farnell="9756086" data-newark="72K7181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO AC/DC Power Supply, Level VI, ITE, 1 Output, 24 W, 12 V, 2 A&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-78d08" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3497093&amp;nsku=78AH1886&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('78d08'));" data-farnell="3497093" data-newark="78AH1886" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Plastic Enclosure, Desktop Case, Instrument, ABS, 250 mm, 180 mm, 100 mm&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-57f23" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1635120&amp;nsku=03P2280&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('57f23'));" data-farnell="1635120" data-newark="03P2280" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADASTRA 3&amp;quot; Weatherproof Speaker White, 100V / 8 Ohm - 30W RMS&lt;/td&gt;
&lt;td&gt;ADASTRA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-8fd2d" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3370673&amp;nsku=55X0444&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('8fd2d'));" data-farnell="3370673" data-newark="55X0444" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;2.1MM DC SOCKET&lt;/td&gt;
&lt;td&gt;PRO POWER&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-aa2dd" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3498418&amp;nsku=78AH2110&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('aa2dd'));" data-farnell="3498418" data-newark="78AH2110" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Plug, 3 Contacts, Solder Pin, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-9fe92" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212128&amp;nsku=23AH4181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('9fe92'));" data-farnell="1212128" data-newark="23AH4181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Receptacle, 3 Contacts, Solder Socket&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-849aa" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831871&amp;nsku=23AH4108&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('849aa'));" data-farnell="1831871" data-newark="23AH4108" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Receptacle, 4 Contacts, Solder Socket, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-7c6ab" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212137&amp;nsku=23AH4182&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('7c6ab'));" data-farnell="1212137" data-newark="23AH4182" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Plug, 4 Contacts, Solder Pin&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-15007" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831885&amp;nsku=98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('15007'));" data-farnell="1831885" data-newark="98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr class="xs-hide"&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"&gt;
&lt;div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"&gt;&lt;a href="/challengesprojects/element14-presents/"&gt;&lt;img alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;div style="display:inline-block;vertical-align:top;width:70%;"&gt;&lt;br /&gt;
&lt;p style="margin:0;"&gt;&lt;span&gt;&lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/"&gt;element14 presents&lt;/a&gt;&lt;/span&gt;&amp;nbsp; &lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/vcp-program/w/documents/5024/vcp-biography-katie"&gt;About Katie Dumont&lt;/a&gt;&amp;nbsp;&lt;span style="padding-right:5px;"&gt;&lt;/span&gt;&lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/"&gt;Project Videos&lt;/a&gt;&lt;/p&gt;
&lt;p style="margin:0;"&gt;&lt;/p&gt;
&lt;/div&gt;
&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: band, e14p_KD, stm32, sound, music, sound effects, friday_release, instrument&lt;/div&gt;
</description></item><item><title>Episode 568: How to Make a Custom Soundboard with the STM32F4 using FreeCAD</title><link>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568/revision/5</link><pubDate>Fri, 09 Sep 2022 17:31:35 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:c417082e-3331-489c-9161-2b25bc87fd9e</guid><dc:creator>tariq.ahmad</dc:creator><comments>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568#comments</comments><description>Revision 5 posted to Documents by tariq.ahmad on 9/9/2022 5:31:35 PM&lt;br /&gt;
&lt;p&gt;&lt;a href="https://www.youtube.com/watch?v=nqjH_f2afpw"&gt;www.youtube.com/watch&lt;/a&gt;&lt;/p&gt;
&lt;p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"&gt;Help! Our band needs a sound effect to be played, quickly and with minimal fuss. So why not make a custom box to be on hand for anytime a sound effect is needed. With an STM32 microcontroller and a speaker I set out to make a box to do just that.&lt;/p&gt;
&lt;p style="margin:0;padding:0px;"&gt;&amp;nbsp;&lt;/p&gt;
&lt;h3 id="mcetoc_1gcfbb4sk1"&gt;Supplemental Content:&lt;/h3&gt;
&lt;ul&gt;
&lt;li&gt;&lt;span style="color:#303030;"&gt;Link to the Github:&amp;nbsp; &lt;a class="jive-link-external-small" title="https://github.com/hifromkatie/SoundEffectInstrument" href="https://github.com/hifromkatie/SoundEffectInstrument" rel="nofollow ugc"&gt;https://github.com/hifromkatie/SoundEffectInstrument&lt;/a&gt; &lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-03-81/568_5F00_resources.zip"&gt;Episode 568: Resources&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;h3 id="mcetoc_1gcfbb4sk1"&gt;Bill of Material:&lt;/h3&gt;
&lt;table class="e14-product-bom-main"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;th&gt;Product Name&lt;/th&gt;
&lt;th&gt;Manufacturer&lt;/th&gt;
&lt;th&gt;Quantity&lt;/th&gt;
&lt;th&gt;&lt;a id="e14-product-link-80e0b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885&amp;nsku=99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_BUY_KIT" class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('80e0b'));" data-farnell="2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885" data-newark="99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetema=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetasia=",,undefined~4,,,undefined~4,,,,,,,,," &gt;Buy Kit&lt;/a&gt; &lt;/th&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Development Kit, STM32F412ZG MCU, ST-LINK/V2-1 Debugger/Programmer, 240x240 Pixel TFT color LCD&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-5f257" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593&amp;nsku=99Y9678&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('5f257'));" data-farnell="2664593" data-newark="99Y9678" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADAFRUIT 20W AMPLIFIER KIT MAX9744 68X4713&lt;/td&gt;
&lt;td&gt;ADAFRUIT&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-152e5" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2816361&amp;nsku=68X4713&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('152e5'));" data-farnell="2816361" data-newark="68X4713" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MIDAS Graphic OLED, 128 x 32 Pixels, White on Black, 3V, SPI, 32.5mm x 20.5mm, -40 &amp;deg;C&lt;/td&gt;
&lt;td&gt;MIDAS&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-72d95" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3154940&amp;nsku=21AH3302&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('72d95'));" data-farnell="3154940" data-newark="21AH3302" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;HERGA Foot Operated Switch, 6289, SPCO, 6 A, 250 V, 24 mm&lt;/td&gt;
&lt;td&gt;HERGA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-af8b7" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=422940&amp;nsku=06WX5562&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('af8b7'));" data-farnell="422940" data-newark="06WX5562" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, 20.2 mm, DPST, Off-(On), Round Raised, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-5e822" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634670&amp;nsku=03P2495&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('5e822'));" data-farnell="1634670" data-newark="03P2495" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, R13-24, 7.2 mm, SPST-NO, Off-(On), Round, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-811c1" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634687&amp;nsku=03P2471&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('811c1'));" data-farnell="1634687" data-newark="03P2471" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Linear Voltage Regulator, Fixed, Positive, 10V To 35V In, 5V And 2A Out, TO-220-3&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-cd443" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9756086&amp;nsku=72K7181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('cd443'));" data-farnell="9756086" data-newark="72K7181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO AC/DC Power Supply, Level VI, ITE, 1 Output, 24 W, 12 V, 2 A&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-b6d2f" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3497093&amp;nsku=78AH1886&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('b6d2f'));" data-farnell="3497093" data-newark="78AH1886" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Plastic Enclosure, Desktop Case, Instrument, ABS, 250 mm, 180 mm, 100 mm&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-3c1f1" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1635120&amp;nsku=03P2280&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('3c1f1'));" data-farnell="1635120" data-newark="03P2280" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADASTRA 3&amp;quot; Weatherproof Speaker White, 100V / 8 Ohm - 30W RMS&lt;/td&gt;
&lt;td&gt;ADASTRA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-3c807" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3370673&amp;nsku=55X0444&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('3c807'));" data-farnell="3370673" data-newark="55X0444" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;2.1MM DC SOCKET&lt;/td&gt;
&lt;td&gt;PRO POWER&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-0ec4f" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3498418&amp;nsku=78AH2110&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('0ec4f'));" data-farnell="3498418" data-newark="78AH2110" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Plug, 3 Contacts, Solder Pin, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-ced6f" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212128&amp;nsku=23AH4181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('ced6f'));" data-farnell="1212128" data-newark="23AH4181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Receptacle, 3 Contacts, Solder Socket&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-db1b7" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831871&amp;nsku=23AH4108&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('db1b7'));" data-farnell="1831871" data-newark="23AH4108" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Receptacle, 4 Contacts, Solder Socket, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-64df2" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212137&amp;nsku=23AH4182&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('64df2'));" data-farnell="1212137" data-newark="23AH4182" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Plug, 4 Contacts, Solder Pin&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-27ed5" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831885&amp;nsku=98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('27ed5'));" data-farnell="1831885" data-newark="98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr class="xs-hide"&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"&gt;
&lt;div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"&gt;&lt;a href="/challengesprojects/element14-presents/"&gt;&lt;img alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;div style="display:inline-block;vertical-align:top;width:70%;"&gt;&lt;br /&gt;
&lt;p style="margin:0;"&gt;&lt;span&gt;&lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/"&gt;element14 presents&lt;/a&gt;&lt;/span&gt;&amp;nbsp; &lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/vcp-program/w/documents/5024/vcp-biography-katie"&gt;About Katie Dumont&lt;/a&gt;&amp;nbsp;&lt;span style="padding-right:5px;"&gt;&lt;/span&gt;&lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/"&gt;Project Videos&lt;/a&gt;&lt;/p&gt;
&lt;p style="margin:0;"&gt;&lt;/p&gt;
&lt;/div&gt;
&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: band, e14p_KD, stm32, sound, music, sound effects, friday_release, instrument&lt;/div&gt;
</description></item><item><title>Episode 568: How to Make a Custom Soundboard with the STM32F4 using FreeCAD</title><link>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568/revision/3</link><pubDate>Fri, 09 Sep 2022 17:30:20 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:c417082e-3331-489c-9161-2b25bc87fd9e</guid><dc:creator>tariq.ahmad</dc:creator><comments>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568#comments</comments><description>Revision 3 posted to Documents by tariq.ahmad on 9/9/2022 5:30:20 PM&lt;br /&gt;
&lt;p&gt;&lt;a href="https://www.youtube.com/watch?v=nqjH_f2afpw"&gt;www.youtube.com/watch&lt;/a&gt;&lt;/p&gt;
&lt;p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"&gt;Help! Our band needs a sound effect to be played, quickly and with minimal fuss. So why not make a custom box to be on hand for anytime a sound effect is needed. With an STM32 microcontroller and a speaker I set out to make a box to do just that.&lt;/p&gt;
&lt;p style="margin:0;padding:0px;"&gt;&amp;nbsp;&lt;/p&gt;
&lt;h2 id="mcetoc_1g6lff2370"&gt;&lt;span style="color:#3334ca;"&gt;Supplemental Content:&lt;/span&gt;&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;&lt;span style="color:#303030;"&gt;Link to the Github:&amp;nbsp; &lt;a class="jive-link-external-small" title="https://github.com/hifromkatie/SoundEffectInstrument" href="https://github.com/hifromkatie/SoundEffectInstrument" rel="nofollow ugc"&gt;https://github.com/hifromkatie/SoundEffectInstrument&lt;/a&gt; &lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-35/568_5F00_resources.zip"&gt;Episode 568: Resources&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;&lt;/p&gt;
&lt;h3 id="mcetoc_1gcfbb4sk1"&gt;Bill of Material:&lt;/h3&gt;
&lt;table class="e14-product-bom-main"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;th&gt;Product Name&lt;/th&gt;
&lt;th&gt;Manufacturer&lt;/th&gt;
&lt;th&gt;Quantity&lt;/th&gt;
&lt;th&gt;&lt;a id="e14-product-link-77be8" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885&amp;nsku=99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_BUY_KIT" class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('77be8'));" data-farnell="2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885" data-newark="99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetema=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetasia=",,undefined~4,,,undefined~4,,,,,,,,," &gt;Buy Kit&lt;/a&gt; &lt;/th&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Development Kit, STM32F412ZG MCU, ST-LINK/V2-1 Debugger/Programmer, 240x240 Pixel TFT color LCD&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-cadfb" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593&amp;nsku=99Y9678&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('cadfb'));" data-farnell="2664593" data-newark="99Y9678" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADAFRUIT 20W AMPLIFIER KIT MAX9744 68X4713&lt;/td&gt;
&lt;td&gt;ADAFRUIT&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-addc5" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2816361&amp;nsku=68X4713&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('addc5'));" data-farnell="2816361" data-newark="68X4713" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MIDAS Graphic OLED, 128 x 32 Pixels, White on Black, 3V, SPI, 32.5mm x 20.5mm, -40 &amp;deg;C&lt;/td&gt;
&lt;td&gt;MIDAS&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-12e2b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3154940&amp;nsku=21AH3302&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('12e2b'));" data-farnell="3154940" data-newark="21AH3302" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;HERGA Foot Operated Switch, 6289, SPCO, 6 A, 250 V, 24 mm&lt;/td&gt;
&lt;td&gt;HERGA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-6394b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=422940&amp;nsku=06WX5562&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('6394b'));" data-farnell="422940" data-newark="06WX5562" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, 20.2 mm, DPST, Off-(On), Round Raised, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-70760" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634670&amp;nsku=03P2495&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('70760'));" data-farnell="1634670" data-newark="03P2495" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, R13-24, 7.2 mm, SPST-NO, Off-(On), Round, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-5a077" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634687&amp;nsku=03P2471&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('5a077'));" data-farnell="1634687" data-newark="03P2471" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Linear Voltage Regulator, Fixed, Positive, 10V To 35V In, 5V And 2A Out, TO-220-3&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-7f001" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9756086&amp;nsku=72K7181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('7f001'));" data-farnell="9756086" data-newark="72K7181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO AC/DC Power Supply, Level VI, ITE, 1 Output, 24 W, 12 V, 2 A&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-62946" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3497093&amp;nsku=78AH1886&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('62946'));" data-farnell="3497093" data-newark="78AH1886" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Plastic Enclosure, Desktop Case, Instrument, ABS, 250 mm, 180 mm, 100 mm&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-42c22" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1635120&amp;nsku=03P2280&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('42c22'));" data-farnell="1635120" data-newark="03P2280" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADASTRA 3&amp;quot; Weatherproof Speaker White, 100V / 8 Ohm - 30W RMS&lt;/td&gt;
&lt;td&gt;ADASTRA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-a982a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3370673&amp;nsku=55X0444&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('a982a'));" data-farnell="3370673" data-newark="55X0444" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;2.1MM DC SOCKET&lt;/td&gt;
&lt;td&gt;PRO POWER&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-69692" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3498418&amp;nsku=78AH2110&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('69692'));" data-farnell="3498418" data-newark="78AH2110" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Plug, 3 Contacts, Solder Pin, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-15d41" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212128&amp;nsku=23AH4181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('15d41'));" data-farnell="1212128" data-newark="23AH4181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Receptacle, 3 Contacts, Solder Socket&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-31bac" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831871&amp;nsku=23AH4108&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('31bac'));" data-farnell="1831871" data-newark="23AH4108" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Receptacle, 4 Contacts, Solder Socket, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-1d0ae" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212137&amp;nsku=23AH4182&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('1d0ae'));" data-farnell="1212137" data-newark="23AH4182" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Plug, 4 Contacts, Solder Pin&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-f2d80" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831885&amp;nsku=98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('f2d80'));" data-farnell="1831885" data-newark="98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr class="xs-hide"&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"&gt;
&lt;div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"&gt;&lt;a href="/challengesprojects/element14-presents/"&gt;&lt;img alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;div style="display:inline-block;vertical-align:top;width:70%;"&gt;&lt;br /&gt;
&lt;p style="margin:0;"&gt;&lt;span&gt;&lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/"&gt;element14 presents&lt;/a&gt;&lt;/span&gt;&amp;nbsp; &lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/vcp-program/w/documents/5024/vcp-biography-katie"&gt;About Katie Dumont&lt;/a&gt;&amp;nbsp;&lt;span style="padding-right:5px;"&gt;&lt;/span&gt;&lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/"&gt;Project Videos&lt;/a&gt;&lt;/p&gt;
&lt;p style="margin:0;"&gt;&lt;/p&gt;
&lt;/div&gt;
&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: band, e14p_KD, stm32, sound, music, sound effects, friday_release, instrument&lt;/div&gt;
</description></item><item><title>Episode 568: How to Make a Custom Soundboard with the STM32F4 using FreeCAD</title><link>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568/revision/2</link><pubDate>Thu, 08 Sep 2022 20:16:23 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:c417082e-3331-489c-9161-2b25bc87fd9e</guid><dc:creator>tariq.ahmad</dc:creator><comments>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568#comments</comments><description>Revision 2 posted to Documents by tariq.ahmad on 9/8/2022 8:16:23 PM&lt;br /&gt;
&lt;p&gt;&lt;a href="https://www.youtube.com/watch?v=nqjH_f2afpw"&gt;www.youtube.com/watch&lt;/a&gt;&lt;/p&gt;
&lt;p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"&gt;Help! Our band needs a sound effect to be played, quickly and with minimal fuss. So why not make a custom box to be on hand for anytime a sound effect is needed. With an STM32 microcontroller and a speaker I set out to make a box to do just that.&lt;/p&gt;
&lt;p style="margin:0;padding:0px;"&gt;&amp;nbsp;&lt;/p&gt;
&lt;h2 id="mcetoc_1g6lff2370"&gt;&lt;span style="color:#3334ca;"&gt;Supplemental Content:&lt;/span&gt;&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;&lt;span style="color:#303030;"&gt;Link to the Github:&amp;nbsp; &lt;a class="jive-link-external-small" title="https://github.com/hifromkatie/SoundEffectInstrument" href="https://github.com/hifromkatie/SoundEffectInstrument" rel="nofollow ugc"&gt;https://github.com/hifromkatie/SoundEffectInstrument&lt;/a&gt; &lt;/span&gt;&lt;/li&gt;
&lt;li&gt;&lt;span style="color:#303030;"&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-35/7367.557_5F00_Resources.zip"&gt;Episode 557: Resources&lt;/a&gt;&lt;/span&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;&lt;/p&gt;
&lt;h3 id="mcetoc_1gcfbb4sk1"&gt;Bill of Material:&lt;/h3&gt;
&lt;table class="e14-product-bom-main"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;th&gt;Product Name&lt;/th&gt;
&lt;th&gt;Manufacturer&lt;/th&gt;
&lt;th&gt;Quantity&lt;/th&gt;
&lt;th&gt;&lt;a id="e14-product-link-7fd0d" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885&amp;nsku=99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_BUY_KIT" class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('7fd0d'));" data-farnell="2664593,2816361,3154940~4,422940,1634670,1634687~4,9756086,3497093,1635120,3370673,3498418,1212128,1831871,1212137,1831885" data-newark="99Y9678,68X4713,21AH3302~4,06WX5562,03P2495,03P2471~4,72K7181,78AH1886,03P2280,55X0444,78AH2110,23AH4181,23AH4108,23AH4182,98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetema=",,undefined~4,,,undefined~4,,,,,,,,," data-avnetasia=",,undefined~4,,,undefined~4,,,,,,,,," &gt;Buy Kit&lt;/a&gt; &lt;/th&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Development Kit, STM32F412ZG MCU, ST-LINK/V2-1 Debugger/Programmer, 240x240 Pixel TFT color LCD&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-34f58" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2664593&amp;nsku=99Y9678&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('34f58'));" data-farnell="2664593" data-newark="99Y9678" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADAFRUIT 20W AMPLIFIER KIT MAX9744 68X4713&lt;/td&gt;
&lt;td&gt;ADAFRUIT&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-d7787" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2816361&amp;nsku=68X4713&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('d7787'));" data-farnell="2816361" data-newark="68X4713" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MIDAS Graphic OLED, 128 x 32 Pixels, White on Black, 3V, SPI, 32.5mm x 20.5mm, -40 &amp;deg;C&lt;/td&gt;
&lt;td&gt;MIDAS&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-3ba61" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3154940&amp;nsku=21AH3302&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('3ba61'));" data-farnell="3154940" data-newark="21AH3302" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;HERGA Foot Operated Switch, 6289, SPCO, 6 A, 250 V, 24 mm&lt;/td&gt;
&lt;td&gt;HERGA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-aa586" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=422940&amp;nsku=06WX5562&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('aa586'));" data-farnell="422940" data-newark="06WX5562" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, 20.2 mm, DPST, Off-(On), Round Raised, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-11383" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634670&amp;nsku=03P2495&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('11383'));" data-farnell="1634670" data-newark="03P2495" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Pushbutton Switch, R13-24, 7.2 mm, SPST-NO, Off-(On), Round, Black&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-83aa1" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1634687&amp;nsku=03P2471&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('83aa1'));" data-farnell="1634687" data-newark="03P2471" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;STMICROELECTRONICS Linear Voltage Regulator, Fixed, Positive, 10V To 35V In, 5V And 2A Out, TO-220-3&lt;/td&gt;
&lt;td&gt;STMICROELECTRONICS&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-8cf9c" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9756086&amp;nsku=72K7181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('8cf9c'));" data-farnell="9756086" data-newark="72K7181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO AC/DC Power Supply, Level VI, ITE, 1 Output, 24 W, 12 V, 2 A&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-c50e1" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3497093&amp;nsku=78AH1886&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('c50e1'));" data-farnell="3497093" data-newark="78AH1886" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;MULTICOMP PRO Plastic Enclosure, Desktop Case, Instrument, ABS, 250 mm, 180 mm, 100 mm&lt;/td&gt;
&lt;td&gt;MULTICOMP PRO&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-0871d" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1635120&amp;nsku=03P2280&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('0871d'));" data-farnell="1635120" data-newark="03P2280" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;ADASTRA 3&amp;quot; Weatherproof Speaker White, 100V / 8 Ohm - 30W RMS&lt;/td&gt;
&lt;td&gt;ADASTRA&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-667a7" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3370673&amp;nsku=55X0444&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('667a7'));" data-farnell="3370673" data-newark="55X0444" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;2.1MM DC SOCKET&lt;/td&gt;
&lt;td&gt;PRO POWER&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-312b7" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3498418&amp;nsku=78AH2110&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('312b7'));" data-farnell="3498418" data-newark="78AH2110" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Plug, 3 Contacts, Solder Pin, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-0b373" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212128&amp;nsku=23AH4181&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('0b373'));" data-farnell="1212128" data-newark="23AH4181" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Receptacle, 3 Contacts, Solder Socket&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-697e7" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831871&amp;nsku=23AH4108&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('697e7'));" data-farnell="1831871" data-newark="23AH4108" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Cable Mount Receptacle, 4 Contacts, Solder Socket, Threaded&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-e586b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1212137&amp;nsku=23AH4182&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('e586b'));" data-farnell="1212137" data-newark="23AH4182" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;LUMBERG Circular Connector, 03 Series, Panel Mount Plug, 4 Contacts, Solder Pin&lt;/td&gt;
&lt;td&gt;LUMBERG&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;td&gt;&lt;a id="e14-product-link-fb9fd" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1831885&amp;nsku=98K4462&amp;COM=e14c-noscript&amp;CMP=e14c-noscript&amp;osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-button" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('fb9fd'));" data-farnell="1831885" data-newark="98K4462" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="undefined" data-avnetema="undefined" data-avnetasia="undefined" &gt;Buy Now&lt;/a&gt; &lt;/td&gt;
&lt;/tr&gt;
&lt;tr class="xs-hide"&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"&gt;
&lt;div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"&gt;&lt;a href="/challengesprojects/element14-presents/"&gt;&lt;img alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;div style="display:inline-block;vertical-align:top;width:70%;"&gt;&lt;br /&gt;
&lt;p style="margin:0;"&gt;&lt;span&gt;&lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/"&gt;element14 presents&lt;/a&gt;&lt;/span&gt;&amp;nbsp; &lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/vcp-program/w/documents/5024/vcp-biography-katie"&gt;About Katie Dumont&lt;/a&gt;&amp;nbsp;&lt;span style="padding-right:5px;"&gt;&lt;/span&gt;&lt;strong&gt;|&lt;/strong&gt;&amp;nbsp; &lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/"&gt;Project Videos&lt;/a&gt;&lt;/p&gt;
&lt;p style="margin:0;"&gt;&lt;/p&gt;
&lt;/div&gt;
&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: band, e14p_KD, stm32, sound, music, sound effects, friday_release, instrument&lt;/div&gt;
</description></item><item><title>Episode 568: Sound Effects</title><link>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568/revision/1</link><pubDate>Tue, 23 Aug 2022 20:38:49 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:c417082e-3331-489c-9161-2b25bc87fd9e</guid><dc:creator>tariq.ahmad</dc:creator><comments>https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/27787/how-to-make-a-custom-soundboard-with-the-stm32f4-using-freecad----episode-568#comments</comments><description>Revision 1 posted to Documents by tariq.ahmad on 8/23/2022 8:38:49 PM&lt;br /&gt;
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