Op Amps Without Op Amps - Workbench Wednesdays 39https://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39en-USTelligent Community 12Op Amps Without Op Amps - Workbench Wednesdays 39https://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39Wed, 16 Jun 2021 07:24:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0Matthttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsCurrent Revision posted to Documents by Matt on 6/16/2021 7:24:00 AM<br /> <p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span></p> <p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u0"><span style="color:#3334ca;">Supplemental Content:</span></h2> <ul> <li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" title="http://www.technoblogy.com/show?3CHT" href="http://www.technoblogy.com/show?3CHT" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">Technoblogy - Pocket Op Amp Lab</a></li> <li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work" data-e14adj="t">The Learning Circuit 68: How Op Amps Work</a></li> <li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">https://github.com/SpenceKonde/DxCore</a></li> <li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus" data-e14adj="t">7 reasons why I like the ATmega128Dx MCUs</a></li> </ul> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u1"><span style="color:#3334ca;">Bill of Material:</span></h2> <table class="jiveBorder" style="border:1px solid #C6C6C6;" border="1"> <thead> <tr> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Product Name</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Manufacturer</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Quantity</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Buy Now</th> </tr> </thead> <tbody> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td> <td style="border:1px solid #C6C6C6;padding:6px;">Microchip</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-4591b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3594413&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('4591b'));" data-farnell="3594413" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td> <td style="border:1px solid #C6C6C6;padding:6px;">Arduino</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-dea34" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1848691&nsku=13T9275&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('dea34'));" data-farnell="1848691" data-newark="13T9275" data-comoverride="" data-cmpoverride="" data-cpc="SC09659" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td> <td style="border:1px solid #C6C6C6;padding:6px;">FTDI</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-cc7b9" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1615840&nsku=14N9612&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('cc7b9'));" data-farnell="1615840" data-newark="14N9612" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td> <td style="border:1px solid #C6C6C6;padding:6px;">Multicomp</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-726d9" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3228047&nsku=74AH3013&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('726d9'));" data-farnell="3228047" data-newark="74AH3013" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> </tbody> </table> <p style="margin:0;"></p> <div class="migration-injected-attachments"> <div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div> <div></div> <table style="border:0;"> <tbody> <tr> <td colspan="2"><span id="attid_https://www.element14.com/community/api/core/v3/attachments/318661" class="_se_attachment"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td> </tr> </tbody> </table> </div> <p style="margin:0;padding:0px;">&nbsp;</p> <div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"> <div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/" data-e14adj="t"><img alt="Workbench Wednesday" src="/e14/assets/main/2021/e14pWorkbench%20Wednesdays_2021.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/" data-e14adj="t">element14 presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james" data-e14adj="t">About James</a>&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" style="color:#007fac;font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;" href="/challengesprojects/element14-presents/workbenchwednesdays/" data-e14adj="t">Workbench Wednesdays</a></div> <div style="display:inline-block;vertical-align:top;width:70%;"> <p style="margin:5;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: opampsch, programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div> Workbench Wednesdays 39: Op Amps Without Op Ampshttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39/revision/7Thu, 24 Feb 2022 16:28:08 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0tariq.ahmadhttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsRevision 7 posted to Documents by tariq.ahmad on 2/24/2022 4:28:08 PM<br /> <p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span></p> <p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u0"><span style="color:#3334ca;">Supplemental Content:</span></h2> <ul> <li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" title="http://www.technoblogy.com/show?3CHT" href="http://www.technoblogy.com/show?3CHT" rel="nofollow ugc noopener noreferrer" target="_blank">Technoblogy - Pocket Op Amp Lab</a></li> <li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work">The Learning Circuit 68: How Op Amps Work</a></li> <li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="nofollow ugc noopener noreferrer" target="_blank">https://github.com/SpenceKonde/DxCore</a></li> <li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus">7 reasons why I like the ATmega128Dx MCUs</a></li> </ul> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u1"><span style="color:#3334ca;">Bill of Material:</span></h2> <table class="jiveBorder" style="border:1px solid #C6C6C6;" border="1"> <thead> <tr> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Product Name</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Manufacturer</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Quantity</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Buy Now</th> </tr> </thead> <tbody> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td> <td style="border:1px solid #C6C6C6;padding:6px;">Microchip</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-b5b6a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3594413&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('b5b6a'));" data-farnell="3594413" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td> <td style="border:1px solid #C6C6C6;padding:6px;">Arduino</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-33d93" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1848691&nsku=13T9275&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('33d93'));" data-farnell="1848691" data-newark="13T9275" data-comoverride="" data-cmpoverride="" data-cpc="SC09659" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td> <td style="border:1px solid #C6C6C6;padding:6px;">FTDI</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-c49a5" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1615840&nsku=14N9612&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('c49a5'));" data-farnell="1615840" data-newark="14N9612" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td> <td style="border:1px solid #C6C6C6;padding:6px;">Multicomp</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-6c01f" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3228047&nsku=74AH3013&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('6c01f'));" data-farnell="3228047" data-newark="74AH3013" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> </tbody> </table> <p style="margin:0;"></p> <div class="migration-injected-attachments"> <div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div> <div></div> <table style="border:0;"> <tbody> <tr> <td colspan="2"><span id="attid_https://www.element14.com/community/api/core/v3/attachments/318661" class="_se_attachment"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td> </tr> </tbody> </table> </div> <p style="margin:0;padding:0px;">&nbsp;</p> <div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"> <div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/"><img alt="Workbench Wednesday" src="/e14/assets/main/2021/e14pWorkbench%20Wednesdays_2021.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/">element14 presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james">About James</a>&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" style="color:#007fac;font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;" href="/challengesprojects/element14-presents/workbenchwednesdays/">Workbench Wednesdays</a></div> <div style="display:inline-block;vertical-align:top;width:70%;"> <p style="margin:5;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: opampsch, programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div> Workbench Wednesdays 39: Op Amps Without Op Ampshttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39/revision/6Tue, 23 Nov 2021 20:21:02 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0kellyhensenhttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsRevision 6 posted to Documents by kellyhensen on 11/23/2021 8:21:02 PM<br /> <p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span></p> <p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u0"><span style="color:#3334ca;">Supplemental Content:</span></h2> <ul> <li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" title="http://www.technoblogy.com/show?3CHT" href="http://www.technoblogy.com/show?3CHT" rel="nofollow ugc noopener noreferrer" target="_blank">Technoblogy - Pocket Op Amp Lab</a></li> <li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work">The Learning Circuit 68: How Op Amps Work</a></li> <li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="nofollow ugc noopener noreferrer" target="_blank">https://github.com/SpenceKonde/DxCore</a></li> <li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus">7 reasons why I like the ATmega128Dx MCUs</a></li> </ul> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u1"><span style="color:#3334ca;">Bill of Material:</span></h2> <table class="jiveBorder" style="border:1px solid #C6C6C6;" border="1"> <thead> <tr> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Product Name</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Manufacturer</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Quantity</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Buy Now</th> </tr> </thead> <tbody> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td> <td style="border:1px solid #C6C6C6;padding:6px;">Microchip</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-8eb7f" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3594413&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('8eb7f'));" data-farnell="3594413" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td> <td style="border:1px solid #C6C6C6;padding:6px;">Arduino</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-95970" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1848691&nsku=13T9275&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('95970'));" data-farnell="1848691" data-newark="13T9275" data-comoverride="" data-cmpoverride="" data-cpc="SC09659" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td> <td style="border:1px solid #C6C6C6;padding:6px;">FTDI</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-c9645" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1615840&nsku=14N9612&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('c9645'));" data-farnell="1615840" data-newark="14N9612" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td> <td style="border:1px solid #C6C6C6;padding:6px;">Multicomp</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-a8c76" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3228047&nsku=74AH3013&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('a8c76'));" data-farnell="3228047" data-newark="74AH3013" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> </tbody> </table> <p style="margin:0;"></p> <div class="migration-injected-attachments"> <div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div> <div></div> <table style="border:0;"> <tbody> <tr> <td colspan="2"><span id="attid_https://www.element14.com/community/api/core/v3/attachments/318661" class="_se_attachment"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td> </tr> </tbody> </table> </div> <p style="margin:0;padding:0px;">&nbsp;</p> <div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"> <div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/"><img alt="Workbench Wednesday" src="/e14/assets/main/2021/e14pWorkbench%20Wednesdays_2021.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/">element14 presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james">About James</a>&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" style="color:#007fac;font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;" href="/challengesprojects/element14-presents/workbenchwednesdays/">Workbench Wednesdays</a></div> <div style="display:inline-block;vertical-align:top;width:70%;"> <p style="margin:5;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div> Workbench Wednesdays 39: Op Amps Without Op Ampshttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39/revision/5Tue, 23 Nov 2021 17:02:32 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0kellyhensenhttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsRevision 5 posted to Documents by kellyhensen on 11/23/2021 5:02:32 PM<br /> <p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span></p> <p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u0"><span style="color:#3334ca;">Supplemental Content:</span></h2> <ul> <li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" title="http://www.technoblogy.com/show?3CHT" href="http://www.technoblogy.com/show?3CHT" rel="nofollow ugc noopener noreferrer" target="_blank">Technoblogy - Pocket Op Amp Lab</a></li> <li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work">The Learning Circuit 68: How Op Amps Work</a></li> <li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="nofollow ugc noopener noreferrer" target="_blank">https://github.com/SpenceKonde/DxCore</a></li> <li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus">7 reasons why I like the ATmega128Dx MCUs</a></li> </ul> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u1"><span style="color:#3334ca;">Bill of Material:</span></h2> <table class="jiveBorder" style="border:1px solid #C6C6C6;" border="1"> <thead> <tr> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Product Name</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Manufacturer</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Quantity</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Buy Now</th> </tr> </thead> <tbody> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td> <td style="border:1px solid #C6C6C6;padding:6px;">Microchip</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-c2681" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3594413&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('c2681'));" data-farnell="3594413" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td> <td style="border:1px solid #C6C6C6;padding:6px;">Arduino</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-10277" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1848691&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('10277'));" data-farnell="1848691" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="SC09659" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td> <td style="border:1px solid #C6C6C6;padding:6px;">FTDI</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-155ec" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=2753006&nsku=13T9275&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('155ec'));" data-farnell="2753006" data-newark="13T9275" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td> <td style="border:1px solid #C6C6C6;padding:6px;">Multicomp</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-713ec" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3228047&nsku=74AH3013&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('713ec'));" data-farnell="3228047" data-newark="74AH3013" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> </tbody> </table> <p style="margin:0;"></p> <div class="migration-injected-attachments"> <div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div> <div></div> <table style="border:0;"> <tbody> <tr> <td colspan="2"><span id="attid_https://www.element14.com/community/api/core/v3/attachments/318661" class="_se_attachment"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td> </tr> </tbody> </table> </div> <p style="margin:0;padding:0px;">&nbsp;</p> <div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"> <div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/"><img alt="Workbench Wednesday" src="/e14/assets/main/2021/e14pWorkbench%20Wednesdays_2021.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/">element14 presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james">About James</a>&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" style="color:#007fac;font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;" href="/challengesprojects/element14-presents/workbenchwednesdays/">Workbench Wednesdays</a></div> <div style="display:inline-block;vertical-align:top;width:70%;"> <p style="margin:5;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div> Workbench Wednesdays 39: Op Amps Without Op Ampshttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39/revision/4Tue, 23 Nov 2021 16:59:48 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0kellyhensenhttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsRevision 4 posted to Documents by kellyhensen on 11/23/2021 4:59:48 PM<br /> <p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span></p> <p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u0"><span style="color:#3334ca;">Supplemental Content:</span></h2> <ul> <li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" title="http://www.technoblogy.com/show?3CHT" href="http://www.technoblogy.com/show?3CHT" rel="nofollow ugc noopener noreferrer" target="_blank">Technoblogy - Pocket Op Amp Lab</a></li> <li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work">The Learning Circuit 68: How Op Amps Work</a></li> <li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="nofollow ugc noopener noreferrer" target="_blank">https://github.com/SpenceKonde/DxCore</a></li> <li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus">7 reasons why I like the ATmega128Dx MCUs</a></li> </ul> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u1"><span style="color:#3334ca;">Bill of Material:</span></h2> <table class="jiveBorder" style="border:1px solid #C6C6C6;" border="1"> <thead> <tr> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Product Name</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Manufacturer</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Quantity</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Buy Now</th> </tr> </thead> <tbody> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td> <td style="border:1px solid #C6C6C6;padding:6px;">Microchip</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-eaebf" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3594413&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('eaebf'));" data-farnell="3594413" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td> <td style="border:1px solid #C6C6C6;padding:6px;">Arduino</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-e83f6" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1848691&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('e83f6'));" data-farnell="1848691" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="SC09659" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td> <td style="border:1px solid #C6C6C6;padding:6px;">FTDI</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-f465a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=2753006&nsku=13T9275&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('f465a'));" data-farnell="2753006" data-newark="13T9275" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td> <td style="border:1px solid #C6C6C6;padding:6px;">Multicomp</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-6973d" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3228047&nsku=74AH3013&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('6973d'));" data-farnell="3228047" data-newark="74AH3013" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> </tbody> </table> <p style="margin:0;"></p> <div class="migration-injected-attachments"> <div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div> <div></div> <table style="border:0;"> <tbody> <tr> <td colspan="2"><span id="attid_https://www.element14.com/community/api/core/v3/attachments/318661" class="_se_attachment"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td> </tr> </tbody> </table> </div> <p style="margin:0;padding:0px;">&nbsp;</p> <div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"> <div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/"><img alt="Workbench Wednesday" src="/e14/assets/main/2021/e14pWorkbench%20Wednesdays_2021.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/">element14 presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james">About James</a>&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" style="color:#007fac;font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;" href="/challengesprojects/element14-presents/workbenchwednesdays/">Workbench Wednesdays</a></div> <div style="display:inline-block;vertical-align:top;width:70%;"> <p style="margin:5;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div> Workbench Wednesdays 39: Op Amps Without Op Ampshttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39/revision/3Tue, 23 Nov 2021 16:59:19 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0kellyhensenhttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsRevision 3 posted to Documents by kellyhensen on 11/23/2021 4:59:19 PM<br /> <p style="margin:0;"></p> <p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span></p> <p style="margin:0;"></p> <p style="margin:0;padding:0px;">&nbsp;</p> <p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u0"><span style="color:#3334ca;">Supplemental Content:</span></h2> <ul> <li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" title="http://www.technoblogy.com/show?3CHT" href="http://www.technoblogy.com/show?3CHT" rel="nofollow ugc noopener noreferrer" target="_blank">Technoblogy - Pocket Op Amp Lab</a></li> <li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work">The Learning Circuit 68: How Op Amps Work</a></li> <li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="nofollow ugc noopener noreferrer" target="_blank">https://github.com/SpenceKonde/DxCore</a></li> <li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus">7 reasons why I like the ATmega128Dx MCUs</a></li> </ul> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u1"><span style="color:#3334ca;">Bill of Material:</span></h2> <table class="jiveBorder" style="border:1px solid #C6C6C6;" border="1"> <thead> <tr> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Product Name</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Manufacturer</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Quantity</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Buy Now</th> </tr> </thead> <tbody> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td> <td style="border:1px solid #C6C6C6;padding:6px;">Microchip</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-4972c" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3594413&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('4972c'));" data-farnell="3594413" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td> <td style="border:1px solid #C6C6C6;padding:6px;">Arduino</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-eef5f" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1848691&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('eef5f'));" data-farnell="1848691" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="SC09659" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td> <td style="border:1px solid #C6C6C6;padding:6px;">FTDI</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-d75f8" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=2753006&nsku=13T9275&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('d75f8'));" data-farnell="2753006" data-newark="13T9275" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td> <td style="border:1px solid #C6C6C6;padding:6px;">Multicomp</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-1f23e" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3228047&nsku=74AH3013&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('1f23e'));" data-farnell="3228047" data-newark="74AH3013" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> </tbody> </table> <p style="margin:0;"></p> <div class="migration-injected-attachments"> <div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div> <div></div> <table style="border:0;"> <tbody> <tr> <td colspan="2"><span id="attid_https://www.element14.com/community/api/core/v3/attachments/318661" class="_se_attachment"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td> </tr> </tbody> </table> </div> <p style="margin:0;padding:0px;">&nbsp;</p> <div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"> <div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/"><img alt="Workbench Wednesday" src="/e14/assets/main/2021/e14pWorkbench%20Wednesdays_2021.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/">element14 presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james">About James</a>&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" style="color:#007fac;font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;" href="/challengesprojects/element14-presents/workbenchwednesdays/">Workbench Wednesdays</a></div> <div style="display:inline-block;vertical-align:top;width:70%;"> <p style="margin:5;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div> Workbench Wednesdays 39: Op Amps Without Op Ampshttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39/revision/1Mon, 06 Sep 2021 17:58:02 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0tariq.ahmadhttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsRevision 1 posted to Documents by tariq.ahmad on 9/6/2021 5:58:02 PM<br /> <div style="background:#ffffff;padding:14px 16px 16px 18px;margin:0;vertical-align:top;border:1px solid #dadada;"><div style="float:left;display:inline-block;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/"><img alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180" /></a></div><div style="display:inline-block;vertical-align:top;width:70%;"><span style="font-size:18px;font-weight:bold;">Op Amps Without Op Amps</span><p style="margin:0;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/">element14 Presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james">Bald Engineer: James Lewis&#39; VCP Profile </a> <span style="padding-right:5px;"> </span><strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/workbenchwednesdays/" style="font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;color:#007fac;">Workbench Wednesdays</a></p></div></div><p style="margin:0;padding:0px;">&nbsp;</p><p style="margin:0;"></p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span><p style="margin:0;"></p><p style="margin:0;padding:0px;">&nbsp;</p><p style="margin:0;border:1px solid #b8d7e5;background-color:#e9f6fc;padding:8px;max-width:744px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p><p style="margin:0;padding:0px;">&nbsp;</p><h2><span style="color:#3334ca;">Supplemental Content:</span></h2><p style="margin:0;padding:0px;">&nbsp;</p><ul><li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" href="http://www.technoblogy.com/show?3CHT" rel="nofollow ugc noopener" target="_blank" title="http://www.technoblogy.com/show?3CHT">Technoblogy - Pocket Op Amp Lab</a></li><li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work">The Learning Circuit 68: How Op Amps Work</a></li><li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="nofollow ugc noopener" target="_blank">https://github.com/SpenceKonde/DxCore</a></li><li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus">7 reasons why I like the ATmega128Dx MCUs</a></li></ul><p style="margin:0;padding:0px;">&nbsp;</p><h2><span style="color:#3334ca;">Bill of Material:</span></h2><p style="margin:0;padding:0px;">&nbsp;</p><p style="margin:0;padding:0px;">&nbsp;</p><table border="1" class="jiveBorder mce-item-table" style="border:1px solid #C6C6C6;"><thead><tr><th style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;color:#505050;background-color:#f2f2f2;text-align:left;">Product Name</th><th style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;color:#505050;background-color:#f2f2f2;text-align:left;">Manufacturer</th><th style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;color:#505050;background-color:#f2f2f2;text-align:left;">Quantity</th><th style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;color:#505050;background-color:#f2f2f2;text-align:left;"><span><span><a id="e14-product-link-8efb1" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3594413,1848691,2753006,3228047&nsku=12AJ7043,13T9275,16AC9366,74AH3013&COM=e14c-noscript&CMP=e14c-noscript&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('8efb1'));" data-farnell="3594413~1,1848691~1,2753006~1,3228047~1" data-newark="12AJ7043~1,13T9275~1,16AC9366~1,74AH3013~1" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Kit</a> </span></span></th></tr></thead><tbody><tr><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Microchip</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">1</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;"><span><span><a id="e14-product-link-8d744" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3594413&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&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('8d744'));" data-farnell="3594413~1" data-newark="12AJ7043~1" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </span></span></td></tr><tr><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Arduino</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">1</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;"><span><span><a id="e14-product-link-3a440" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=1848691&nsku=13T9275&COM=e14c-noscript&CMP=e14c-noscript&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('3a440'));" data-farnell="1848691~1" data-newark="13T9275~1" data-comoverride="" data-cmpoverride="" data-cpc="SC09659" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </span></span></td></tr><tr><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">FTDI</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">1</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;"><span><span><a id="e14-product-link-e3b3b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2753006&nsku=16AC9366&COM=e14c-noscript&CMP=e14c-noscript&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('e3b3b'));" data-farnell="2753006~1" data-newark="16AC9366~1" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </span></span></td></tr><tr><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Multicomp</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">1</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;"><span><span><a id="e14-product-link-10a8e" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3228047&nsku=74AH3013&COM=e14c-noscript&CMP=e14c-noscript&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('10a8e'));" data-farnell="3228047~1" data-newark="74AH3013~1" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </span></span></td></tr></tbody></table><p style="margin:0;"></p> <div class="migration-injected-attachments"><div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div><div></div><table style="border:0;"><tbody><tr><td colspan="2"><span class="_se_attachment" id="attid_https://www.element14.com/community/api/core/v3/attachments/318661"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td></tr></tbody></table></div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div> Workbench Wednesdays 39: Op Amps Without Op Ampshttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39/revision/2Mon, 06 Sep 2021 17:58:02 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0tariq.ahmadhttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsRevision 2 posted to Documents by tariq.ahmad on 9/6/2021 5:58:02 PM<br /> <div style="background:#ffffff;padding:14px 16px 16px 18px;margin:0;vertical-align:top;border:1px solid #dadada;"><div style="float:left;display:inline-block;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/"><img alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180" /></a></div><div style="display:inline-block;vertical-align:top;width:70%;"><span style="font-size:18px;font-weight:bold;">Op Amps Without Op Amps</span><p style="margin:0;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/">element14 Presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james">Bald Engineer: James Lewis&#39; VCP Profile </a> <span style="padding-right:5px;"> </span><strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/workbenchwednesdays/" style="font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;color:#007fac;">Workbench Wednesdays</a></p></div></div><p style="margin:0;padding:0px;">&nbsp;</p><p style="margin:0;"></p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span><p style="margin:0;"></p><p style="margin:0;padding:0px;">&nbsp;</p><p style="margin:0;border:1px solid #b8d7e5;background-color:#e9f6fc;padding:8px;max-width:744px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p><p style="margin:0;padding:0px;">&nbsp;</p><h2><span style="color:#3334ca;">Supplemental Content:</span></h2><p style="margin:0;padding:0px;">&nbsp;</p><ul><li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" href="http://www.technoblogy.com/show?3CHT" rel="nofollow ugc noopener" target="_blank" title="http://www.technoblogy.com/show?3CHT">Technoblogy - Pocket Op Amp Lab</a></li><li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work">The Learning Circuit 68: How Op Amps Work</a></li><li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="nofollow ugc noopener" target="_blank">https://github.com/SpenceKonde/DxCore</a></li><li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus">7 reasons why I like the ATmega128Dx MCUs</a></li></ul><p style="margin:0;padding:0px;">&nbsp;</p><h2><span style="color:#3334ca;">Bill of Material:</span></h2><p style="margin:0;padding:0px;">&nbsp;</p><p style="margin:0;padding:0px;">&nbsp;</p><table border="1" class="jiveBorder mce-item-table" style="border:1px solid #C6C6C6;"><thead><tr><th style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;color:#505050;background-color:#f2f2f2;text-align:left;">Product Name</th><th style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;color:#505050;background-color:#f2f2f2;text-align:left;">Manufacturer</th><th style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;color:#505050;background-color:#f2f2f2;text-align:left;">Quantity</th><th style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;color:#505050;background-color:#f2f2f2;text-align:left;"><span><span class="e14-init-shown e14-product-link-buynow" id="addProduct-H28FAxIk-linked" style="white-space:nowrap;"><a class="jive-link-product-addtolist" href="https://www.element14.com/community/view-product.jspa?fsku=3594413~1,1848691~1,2753006~1,3228047~1&amp;nsku=12AJ7043~1,13T9275~1,16AC9366~1,74AH3013~1&amp;COM=noscript" target="_blank"><span class="pf-widget-map pf-productlink-cart-icon"></span></a><a class="jive-link-product pf-embedded-product-link" href="https://www.element14.com/community/view-product.jspa?fsku=3594413~1,1848691~1,2753006~1,3228047~1&amp;nsku=12AJ7043~1,13T9275~1,16AC9366~1,74AH3013~1&amp;COM=noscript" target="_blank">Buy Kit</a></span><span class="e14-init-hidden" id="addProduct-H28FAxIk-unlinked">Buy Kit</span></span></th></tr></thead><tbody><tr><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Microchip</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">1</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;"><span><span class="e14-init-shown e14-product-link-buynow" id="addProduct-oVjusroZ-linked" style="white-space:nowrap;"><a class="jive-link-product-addtolist" href="https://www.element14.com/community/view-product.jspa?fsku=3594413~1&amp;nsku=12AJ7043~1&amp;COM=noscript" target="_blank"><span class="pf-widget-map pf-productlink-cart-icon"></span></a><a class="jive-link-product pf-embedded-product-link" href="https://www.element14.com/community/view-product.jspa?fsku=3594413~1&amp;nsku=12AJ7043~1&amp;COM=noscript" target="_blank">Buy Now</a></span><span class="e14-init-hidden" id="addProduct-oVjusroZ-unlinked">Buy Now</span></span></td></tr><tr><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Arduino</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">1</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;"><span><span class="e14-init-shown e14-product-link-buynow" id="addProduct-P5PjOIBY-linked" style="white-space:nowrap;"><a class="jive-link-product-addtolist" href="https://www.element14.com/community/view-product.jspa?fsku=1848691~1&amp;nsku=13T9275~1&amp;COM=noscript" target="_blank"><span class="pf-widget-map pf-productlink-cart-icon"></span></a><a class="jive-link-product pf-embedded-product-link" href="https://www.element14.com/community/view-product.jspa?fsku=1848691~1&amp;nsku=13T9275~1&amp;COM=noscript" target="_blank">Buy Now</a></span><span class="e14-init-hidden" id="addProduct-P5PjOIBY-unlinked">Buy Now</span></span></td></tr><tr><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">FTDI</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">1</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;"><span><span class="e14-init-shown e14-product-link-buynow" id="addProduct-QhKZwO58-linked" style="white-space:nowrap;"><a class="jive-link-product-addtolist" href="https://www.element14.com/community/view-product.jspa?fsku=2753006~1&amp;nsku=16AC9366~1&amp;COM=noscript" target="_blank"><span class="pf-widget-map pf-productlink-cart-icon"></span></a><a class="jive-link-product pf-embedded-product-link" href="https://www.element14.com/community/view-product.jspa?fsku=2753006~1&amp;nsku=16AC9366~1&amp;COM=noscript" target="_blank">Buy Now</a></span><span class="e14-init-hidden" id="addProduct-QhKZwO58-unlinked">Buy Now</span></span></td></tr><tr><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">Multicomp</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;">1</td><td style="border:1px solid black;border:1px solid #C6C6C6;padding:6px;"><span><span class="e14-init-shown e14-product-link-buynow" id="addProduct-0os1dvz6-linked" style="white-space:nowrap;"><a class="jive-link-product-addtolist" href="https://www.element14.com/community/view-product.jspa?fsku=3228047~1&amp;nsku=74AH3013~1&amp;COM=noscript" target="_blank"><span class="pf-widget-map pf-productlink-cart-icon"></span></a><a class="jive-link-product pf-embedded-product-link" href="https://www.element14.com/community/view-product.jspa?fsku=3228047~1&amp;nsku=74AH3013~1&amp;COM=noscript" target="_blank">Buy Now</a></span><span class="e14-init-hidden" id="addProduct-0os1dvz6-unlinked">Buy Now</span></span></td></tr></tbody></table><p style="margin:0;"></p> <div class="migration-injected-attachments"><div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div><div></div><table style="border:0;"><tbody><tr><td colspan="2"><span class="_se_attachment" id="attid_https://www.element14.com/community/api/core/v3/attachments/318661"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td></tr></tbody></table></div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div> Measurements with an SMU -- Workbench Wednesdays 40https://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39/revision/8Wed, 30 Jun 2021 07:24:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4ba176c9-98e5-446f-8370-96486cece3a0Matthttps://community.element14.com/challenges-projects/element14-presents/workbenchwednesdays/w/documents/5353/op-amps-without-op-amps---workbench-wednesdays-39#commentsRevision 8 posted to Documents by Matt on 6/30/2021 7:24:00 AM<br /> <p><span><a href="https://www.youtube.com/watch?v=MyXEwQwdqW8">www.youtube.com/watch</a></span></p> <p style="background-color:#e9f6fc;border:1px solid #b8d7e5;margin:0;max-width:744px;padding:8px;"><span style="color:#000000;font-family:&#39;Open Sans&#39;, Arial, sans-serif;text-align:justify;">Okay, technically, this circuit *does* use Op-Amps. However, the ones shown here are integrated into an ATmega128DB microcontroller from Microchip. The DIP package breaks out two operational amplifiers that are controllable entirely by software. Even better, you can program like they are an Arduino!</span></p> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u0"><span style="color:#3334ca;">Supplemental Content:</span></h2> <ul> <li>Pocket Op-Amp Lab technoblogy: <a class="jive-link-external-small" title="http://www.technoblogy.com/show?3CHT" href="http://www.technoblogy.com/show?3CHT" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">Technoblogy - Pocket Op Amp Lab</a></li> <li><a class="jive-link-wiki-small" href="/challengesprojects/element14-presents/thelearningcircuit/w/documents/4757/the-learning-circuit-68-how-op-amps-work" data-e14adj="t">The Learning Circuit 68: How Op Amps Work</a></li> <li>DxCore ATmega128DB for Arduino IDE:&nbsp; <a class="jive-link-external-small" href="https://github.com/SpenceKonde/DxCore" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">https://github.com/SpenceKonde/DxCore</a></li> <li><a class="jive-link-blog-small" href="/challengesprojects/element14-presents/workbenchwednesdays/b/blog/posts/7-reasons-why-i-like-the-atmega128dx-mcus" data-e14adj="t">7 reasons why I like the ATmega128Dx MCUs</a></li> </ul> <p style="margin:0;padding:0px;">&nbsp;</p> <h2 id="mcetoc_1fl6ric2u1"><span style="color:#3334ca;">Bill of Material:</span></h2> <table class="jiveBorder" style="border:1px solid #C6C6C6;" border="1"> <thead> <tr> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Product Name</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Manufacturer</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Quantity</th> <th style="background-color:#f2f2f2;border:1px solid #C6C6C6;color:#505050;padding:6px;text-align:left;">Buy Now</th> </tr> </thead> <tbody> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">AVR128DB MCU, 8BIT, 24MHZ, SPDIP-28 ROHS COMPLIANT: YES</td> <td style="border:1px solid #C6C6C6;padding:6px;">Microchip</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-320ea" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3594413&nsku=12AJ7043&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('320ea'));" data-farnell="3594413" data-newark="12AJ7043" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Evaluation Board, MCU 8-Bit, Arduino Nano, AVR, ATmega328</td> <td style="border:1px solid #C6C6C6;padding:6px;">Arduino</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-514b9" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1848691&nsku=13T9275&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('514b9'));" data-farnell="1848691" data-newark="13T9275" data-comoverride="" data-cmpoverride="" data-cpc="SC09659" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">USB to UART (Serial) Board</td> <td style="border:1px solid #C6C6C6;padding:6px;">FTDI</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-e5bef" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=1615840&nsku=14N9612&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('e5bef'));" data-farnell="1615840" data-newark="14N9612" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td style="border:1px solid #C6C6C6;padding:6px;">Digital Oscilloscope, 14-bit, 4-in-1, 2+1 Channel, 200 MHz, 1 GSPS, 40 Mpts, 1.7 ns</td> <td style="border:1px solid #C6C6C6;padding:6px;">Multicomp</td> <td style="border:1px solid #C6C6C6;padding:6px;">1</td> <td style="border:1px solid #C6C6C6;padding:6px;"><a id="e14-product-link-817f0" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="link" href="https://referral.element14.com/OrderCodeView?fsku=3228047&nsku=74AH3013&COM=e14c-noscript&CMP=e14c-noscript&osetc=e14-noscript-tracking-loss" data-at-label="PRODUCT_POPUP_OPEN"class="e14-embedded e14_shopping-cart-far e14-link" onclick="event.preventDefault();e14.func.displayProduct(e14.meta.user.country, this, 'embedded-link', e14.func.getProductLinkJSON('817f0'));" data-farnell="3228047" data-newark="74AH3013" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> </tbody> </table> <p style="margin:0;"></p> <div class="migration-injected-attachments"> <div style="font-weight:bold;margin:15px 0 5px 0;">Attachments:</div> <div></div> <table style="border:0;"> <tbody> <tr> <td colspan="2"><span id="attid_https://www.element14.com/community/api/core/v3/attachments/318661" class="_se_attachment"><a href="https://community.element14.com/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-19/Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip">community.element14.com/.../Op_5F00_Amps_5F00_Without_5F00_Op_5F00_Amps_5F00_Resources.zip</a></span></td> </tr> </tbody> </table> </div> <p style="margin:0;padding:0px;">&nbsp;</p> <div style="background:#ffffff;border:1px solid #dadada;margin:0;padding:14px 16px 16px 18px;vertical-align:top;"> <div style="display:inline-block;float:left;padding:0px 25px 8px 0px;"><a href="/challengesprojects/element14-presents/" data-e14adj="t"><img alt="Workbench Wednesday" src="/e14/assets/main/2021/e14pWorkbench%20Wednesdays_2021.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"></div> <div style="display:inline-block;vertical-align:top;width:70%;"><span><a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/" data-e14adj="t">element14 presents</a></span>&nbsp; <strong>|</strong>&nbsp; <a class="jive-link-wiki-small" href="/challenges-projects/element14-presents/vcp-program/w/documents/3704/vcp-biography-james" data-e14adj="t">About James</a>&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" style="color:#007fac;font-family:Arial, &#39;Lucida Grande&#39;, sans-serif;" href="/challengesprojects/element14-presents/workbenchwednesdays/" data-e14adj="t">Workbench Wednesdays</a></div> <div style="display:inline-block;vertical-align:top;width:70%;"> <p style="margin:5;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: opampsch, programmable gain amplifier (pga), amplifier, amplifer, e14presents_baldengineer, microcontroller, workbench wednesdays, op amps</div>