https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647en-USTelligent Community 12https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647Thu, 21 Mar 2024 15:43:04 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:285911af-c013-4c78-9bd9-4630ce40a358pchanhttps://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647#commentsCurrent Revision posted to Documents by pchan on 3/21/2024 3:43:04 PM<br /> <p><span data-contrast="auto">Join Phil, an avid caver as he recounts his journey of creating a cutting-edge cave surveying tool. Reflecting on his experiences in the 1990s, where primitive equipment like mechanical compasses and cumbersome tape measures hindered exploration efforts, Phil recognized the need for a more effective solution.</span><span>&nbsp;</span></p> <h2 id="mcetoc_1hpgnm0ij0"><span>Watch the Video:</span></h2> <p><span><a href="https://www.youtube.com/watch?v=oCUcbW2DCXo">www.youtube.com/watch</a></span></p> <p><span></span></p> <p><span data-contrast="auto">The initial challenges Phil faced with traditional equipment included the inconvenience of low visibility, magnetic interference from lighting sources, and the impracticality of taking measurements in precarious cave conditions. Determined to streamline the process, he delved into research and development, exploring the potential of magnetic sensors, accelerometers, and laser technology.</span><span>&nbsp;</span></p> <p><span><img alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-03-81/001.png" />&nbsp;</span></p> <p><span data-contrast="auto">Over the years, Phil&#39;s designs evolved, culminating in the creation of &quot;The Shetland Attack Pony,&quot; a compact yet robust cave surveying tool. Initially featuring a basic alphanumeric display and rudimentary laser pointer, subsequent iterations integrated advanced components like transparent cases, ruggedized displays, and high-range laser rangefinders.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-03-81/002.JPG" /></span></p> <p><span data-contrast="auto">The journey wasn&#39;t without its challenges, as sourcing compatible components and optimizing circuitry proved to be formidable tasks. Phil&#39;s meticulous approach to circuit design, including the strategic placement of sensors to minimize interference, underscores his commitment to functionality and reliability.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-03-81/003.png" /></span></p> <p><span data-contrast="auto">Embracing open-source principles, Phil&#39;s latest iteration incorporates user-friendly microprocessors and circuit Python, empowering fellow enthusiasts to customize and enhance the device according to their needs. The modular design facilitates easy component replacement, ensuring adaptability and longevity in a dynamic exploration environment.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-03-81/004.png" /></span></p> <p><span data-contrast="auto">As Phil concludes his demonstration, he emphasizes the importance of collaboration and community engagement in advancing cave exploration technology. With his innovative tool in hand, he hopes to inspire fellow cavers to embrace the spirit of innovation and join in with iterating on new versions of the tool and its software or creating your own!</span><span>&nbsp;</span></p> <p><span><img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-03-81/005b.jpg" /></span></p> <p><span><img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-03-81/006.png" /></span></p> <h2 id="mcetoc_1hpgntqlg1"><span>Downloads &amp; Links:</span></h2> <ul> <li><a href="/challenges-projects/element14-presents/m/files/149211" data-e14adj="t"><span>Download Code &amp; CAD Files!</span></a></li> <li><span>GitHub:&nbsp;&nbsp; <a id="" href="https://github.com/furbrain/STIC" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">https://github.com/furbrain/STIC</a></span></li> <li><a href="http://www.egismos.com/laser-distance-module-2M-100M-RS232" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">Egismos website</a></li> <li><a href="https://play.google.com/store/apps/details?id=org.hwyl.sexytopo&amp;hl=en&amp;gl=US" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">App</a></li> </ul> <h2 id="mcetoc_1hpgo79l63">Bill of Material:</h2> <table class="e14-product-bom-main"> <tbody> <tr> <th>Product Name</th> <th>Manufacturer</th> <th>Quantity</th> <th><a id="e14-product-link-c9696" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732918,2396052~2,2077888,3416643~2,3618969,3535545,9979620,9732861,9732853,2433031,9342788~3,3482981,4060352&nsku=57H4719,40Y2449~2,71AH4109~2,24AJ0389,84AH1138,97C8588,98K9823,98K9821,75X9925,38K5437~3,76AH4792,55AK3430&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('c9696'));" data-farnell="9732918,2396052~2,2077888,3416643~2,3618969,3535545,9979620,9732861,9732853,2433031,9342788~3,3482981,4060352" data-newark="57H4719,40Y2449~2,71AH4109~2,24AJ0389,84AH1138,97C8588,98K9823,98K9821,75X9925,38K5437~3,76AH4792,55AK3430" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Kit</a> </th> </tr> <tr> <td>Picoblade 3-way right angle connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-89e65" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732918&nsku=57H4719&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('89e65'));" data-farnell="9732918" data-newark="57H4719" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Tactile switch</td> <td>Alcoswitch</td> <td>2</td> <td><a id="e14-product-link-e4630" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2396052~2&nsku=40Y2449~2&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('e4630'));" data-farnell="2396052~2" data-newark="40Y2449~2" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Lipo Battery 523450 950mAh</td> <td>Bak Technology</td> <td>1</td> <td><a id="e14-product-link-3e5d3" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="javascript:void(0)" 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('3e5d3'));" data-farnell="2077888" data-newark="" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>1.0uF Ceramic capacitor</td> <td>TDK</td> <td>2</td> <td><a id="e14-product-link-7e977" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3416643~2&nsku=71AH4109~2&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('7e977'));" data-farnell="3416643~2" data-newark="71AH4109~2" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>4.7uF Ceramic capacitor</td> <td>TDK</td> <td>1</td> <td><a id="e14-product-link-f5f78" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3618969&nsku=24AJ0389&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('f5f78'));" data-farnell="3618969" data-newark="24AJ0389" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Lipo Battery Charger IC</td> <td>Torex</td> <td>1</td> <td><a id="e14-product-link-bd29e" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3535545&nsku=84AH1138&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('bd29e'));" data-farnell="3535545" data-newark="84AH1138" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>SPOX 3-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-61539" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9979620&nsku=97C8588&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('61539'));" data-farnell="9979620" data-newark="97C8588" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Picoblade 5-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-4c84e" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732861&nsku=98K9823&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('4c84e'));" data-farnell="9732861" data-newark="98K9823" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Picoblade 3-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-5704f" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732853&nsku=98K9821&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('5704f'));" data-farnell="9732853" data-newark="98K9821" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Piezo Speaker</td> <td>Multicomp</td> <td>1</td> <td><a id="e14-product-link-cd89b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2433031&nsku=75X9925&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('cd89b'));" data-farnell="2433031" data-newark="75X9925" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>2k resistor</td> <td>Multicomp</td> <td>3</td> <td><a id="e14-product-link-8b29a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9342788~3&nsku=38K5437~3&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('8b29a'));" data-farnell="9342788~3" data-newark="38K5437~3" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>3.3V linear regulator</td> <td>Diodes Inc</td> <td>1</td> <td><a id="e14-product-link-16b80" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3482981&nsku=76AH4792&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('16b80'));" data-farnell="3482981" data-newark="76AH4792" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>XIAO nRF52840 Sense</td> <td>Seeed</td> <td>1</td> <td><a id="e14-product-link-f2a1b" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=4060352&nsku=55AK3430&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('f2a1b'));" data-farnell="4060352" data-newark="55AK3430" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr class="xs-hide"> <td>&nbsp;</td> <td></td> <td></td> <td></td> </tr> </tbody> </table> <h2 id="mcetoc_1hpgo880r4">Additional Parts:</h2> <table> <tbody> <tr> <td>RM 3100 magnetometer module</td> </tr> <tr> <td>Egismos Laser Module 2</td> </tr> <tr> <td>OLED display screen</td> </tr> </tbody> </table> <p></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 loading="lazy" alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"><br /> <p style="margin:0;"><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; About Phil Underwood&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/" data-e14adj="t">Project Videos</a></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Magnetic sensor compass, Customizable cave exploration gadget, High-tech spelunking gear, Underground exploration device, Underground mapping solution, Cave surveying tool, circuitpython, Accelerometer-based survey tool, surveying, accelerometer, Xiao, Caving equipment innovation, Advanced cave mapping technology, Modular underground navigation device, DIY cave exploration tool, magnetometer, Open-source cave survey device, Ruggedized cave survey equipment, nrf52840, Innovative caving technology, caving, speleology, laser, friday_release, mapping, Laser rangefinder for caves</div> https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647/revision/3Thu, 21 Mar 2024 15:43:04 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:285911af-c013-4c78-9bd9-4630ce40a358tariq.ahmadhttps://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647#commentsRevision 3 posted to Documents by tariq.ahmad on 3/21/2024 3:43:04 PM<br /> <p><span data-contrast="auto">Join Phil, an avid caver as he recounts his journey of creating a cutting-edge cave surveying tool. Reflecting on his experiences in the 1990s, where primitive equipment like mechanical compasses and cumbersome tape measures hindered exploration efforts, Phil recognized the need for a more effective solution.</span><span>&nbsp;</span></p> <h2 id="mcetoc_1hpgnm0ij0"><span>Watch the Video:</span></h2> <p><span><a href="https://www.youtube.com/watch?v=oCUcbW2DCXo">www.youtube.com/watch</a></span></p> <p><span></span></p> <p><span data-contrast="auto">The initial challenges Phil faced with traditional equipment included the inconvenience of low visibility, magnetic interference from lighting sources, and the impracticality of taking measurements in precarious cave conditions. Determined to streamline the process, he delved into research and development, exploring the potential of magnetic sensors, accelerometers, and laser technology.</span><span>&nbsp;</span></p> <p><span><img alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/001.png" />&nbsp;</span></p> <p><span data-contrast="auto">Over the years, Phil&#39;s designs evolved, culminating in the creation of &quot;The Shetland Attack Pony,&quot; a compact yet robust cave surveying tool. Initially featuring a basic alphanumeric display and rudimentary laser pointer, subsequent iterations integrated advanced components like transparent cases, ruggedized displays, and high-range laser rangefinders.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/002.JPG" /></span></p> <p><span data-contrast="auto">The journey wasn&#39;t without its challenges, as sourcing compatible components and optimizing circuitry proved to be formidable tasks. Phil&#39;s meticulous approach to circuit design, including the strategic placement of sensors to minimize interference, underscores his commitment to functionality and reliability.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/003.png" /></span></p> <p><span data-contrast="auto">Embracing open-source principles, Phil&#39;s latest iteration incorporates user-friendly microprocessors and circuit Python, empowering fellow enthusiasts to customize and enhance the device according to their needs. The modular design facilitates easy component replacement, ensuring adaptability and longevity in a dynamic exploration environment.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/004.png" /></span></p> <p><span data-contrast="auto">As Phil concludes his demonstration, he emphasizes the importance of collaboration and community engagement in advancing cave exploration technology. With his innovative tool in hand, he hopes to inspire fellow cavers to embrace the spirit of innovation and join in with iterating on new versions of the tool and its software or creating your own!</span><span>&nbsp;</span></p> <p><span><img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/005b.jpg" /></span></p> <p><span><img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/006.png" /></span></p> <h2 id="mcetoc_1hpgntqlg1"><span>Downloads &amp; Links:</span></h2> <ul> <li><a href="/challenges-projects/element14-presents/m/files/149211" data-e14adj="t"><span>Download Code &amp; CAD Files!</span></a></li> <li><span>GitHub:&nbsp;&nbsp; <a id="" href="https://github.com/furbrain/STIC" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">https://github.com/furbrain/STIC</a></span></li> <li><a href="http://www.egismos.com/laser-distance-module-2M-100M-RS232" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">Egismos website</a></li> <li><a href="https://play.google.com/store/apps/details?id=org.hwyl.sexytopo&amp;hl=en&amp;gl=US" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">App</a></li> </ul> <h2 id="mcetoc_1hpgo79l63">Bill of Material:</h2> <table class="e14-product-bom-main"> <tbody> <tr> <th>Product Name</th> <th>Manufacturer</th> <th>Quantity</th> <th><a id="e14-product-link-ad505" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732918,2396052~2,2077888,3416643~2,3618969,3535545,9979620,9732861,9732853,2433031,9342788~3,3482981,4060352&nsku=57H4719,40Y2449~2,71AH4109~2,24AJ0389,84AH1138,97C8588,98K9823,98K9821,75X9925,38K5437~3,76AH4792,55AK3430&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('ad505'));" data-farnell="9732918,2396052~2,2077888,3416643~2,3618969,3535545,9979620,9732861,9732853,2433031,9342788~3,3482981,4060352" data-newark="57H4719,40Y2449~2,71AH4109~2,24AJ0389,84AH1138,97C8588,98K9823,98K9821,75X9925,38K5437~3,76AH4792,55AK3430" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Kit</a> </th> </tr> <tr> <td>Picoblade 3-way right angle connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-bdb35" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732918&nsku=57H4719&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('bdb35'));" data-farnell="9732918" data-newark="57H4719" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Tactile switch</td> <td>Alcoswitch</td> <td>2</td> <td><a id="e14-product-link-7721a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2396052~2&nsku=40Y2449~2&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('7721a'));" data-farnell="2396052~2" data-newark="40Y2449~2" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Lipo Battery 523450 950mAh</td> <td>Bak Technology</td> <td>1</td> <td><a id="e14-product-link-1d4dd" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="javascript:void(0)" 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('1d4dd'));" data-farnell="2077888" data-newark="" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>1.0uF Ceramic capacitor</td> <td>TDK</td> <td>2</td> <td><a id="e14-product-link-dd10c" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3416643~2&nsku=71AH4109~2&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('dd10c'));" data-farnell="3416643~2" data-newark="71AH4109~2" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>4.7uF Ceramic capacitor</td> <td>TDK</td> <td>1</td> <td><a id="e14-product-link-1ae1c" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3618969&nsku=24AJ0389&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('1ae1c'));" data-farnell="3618969" data-newark="24AJ0389" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Lipo Battery Charger IC</td> <td>Torex</td> <td>1</td> <td><a id="e14-product-link-10581" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3535545&nsku=84AH1138&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('10581'));" data-farnell="3535545" data-newark="84AH1138" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>SPOX 3-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-9e9dc" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9979620&nsku=97C8588&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('9e9dc'));" data-farnell="9979620" data-newark="97C8588" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Picoblade 5-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-77e58" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732861&nsku=98K9823&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('77e58'));" data-farnell="9732861" data-newark="98K9823" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Picoblade 3-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-aa431" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732853&nsku=98K9821&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('aa431'));" data-farnell="9732853" data-newark="98K9821" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Piezo Speaker</td> <td>Multicomp</td> <td>1</td> <td><a id="e14-product-link-f0e43" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2433031&nsku=75X9925&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('f0e43'));" data-farnell="2433031" data-newark="75X9925" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>2k resistor</td> <td>Multicomp</td> <td>3</td> <td><a id="e14-product-link-f78e8" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9342788~3&nsku=38K5437~3&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('f78e8'));" data-farnell="9342788~3" data-newark="38K5437~3" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>3.3V linear regulator</td> <td>Diodes Inc</td> <td>1</td> <td><a id="e14-product-link-0ef0a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3482981&nsku=76AH4792&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('0ef0a'));" data-farnell="3482981" data-newark="76AH4792" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>XIAO nRF52840 Sense</td> <td>Seeed</td> <td>1</td> <td><a id="e14-product-link-5ec20" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=4060352&nsku=55AK3430&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('5ec20'));" data-farnell="4060352" data-newark="55AK3430" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr class="xs-hide"> <td>&nbsp;</td> <td></td> <td></td> <td></td> </tr> </tbody> </table> <h2 id="mcetoc_1hpgo880r4">Additional Parts:</h2> <table> <tbody> <tr> <td>RM 3100 magnetometer module</td> </tr> <tr> <td>Egismos Laser Module 2</td> </tr> <tr> <td>OLED display screen</td> </tr> </tbody> </table> <p></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 loading="lazy" alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"><br /> <p style="margin:0;"><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; About Phil Underwood&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/" data-e14adj="t">Project Videos</a></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Magnetic sensor compass, Customizable cave exploration gadget, High-tech spelunking gear, Underground exploration device, Underground mapping solution, Cave surveying tool, circuitpython, Accelerometer-based survey tool, surveying, accelerometer, Xiao, Caving equipment innovation, Advanced cave mapping technology, Modular underground navigation device, DIY cave exploration tool, magnetometer, Open-source cave survey device, Ruggedized cave survey equipment, nrf52840, Innovative caving technology, caving, speleology, laser, friday_release, mapping, Laser rangefinder for caves</div> https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647/revision/2Thu, 21 Mar 2024 15:11:33 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:285911af-c013-4c78-9bd9-4630ce40a358tariq.ahmadhttps://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647#commentsRevision 2 posted to Documents by tariq.ahmad on 3/21/2024 3:11:33 PM<br /> <p><span data-contrast="auto">Join Phil, an avid caver as he recounts his journey of creating a cutting-edge cave surveying tool. Reflecting on his experiences in the 1990s, where primitive equipment like mechanical compasses and cumbersome tape measures hindered exploration efforts, Phil recognized the need for a more effective solution.</span><span>&nbsp;</span></p> <h2 id="mcetoc_1hpgnm0ij0"><span>Watch the Video:</span></h2> <p><span><a href="https://www.youtube.com/watch?v=0faE3U0WVSU">www.youtube.com/watch</a></span></p> <p><span data-contrast="auto">The initial challenges Phil faced with traditional equipment included the inconvenience of low visibility, magnetic interference from lighting sources, and the impracticality of taking measurements in precarious cave conditions. Determined to streamline the process, he delved into research and development, exploring the potential of magnetic sensors, accelerometers, and laser technology.</span><span>&nbsp;</span></p> <p><span><img alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/001.png" />&nbsp;</span></p> <p><span data-contrast="auto">Over the years, Phil&#39;s designs evolved, culminating in the creation of &quot;The Shetland Attack Pony,&quot; a compact yet robust cave surveying tool. Initially featuring a basic alphanumeric display and rudimentary laser pointer, subsequent iterations integrated advanced components like transparent cases, ruggedized displays, and high-range laser rangefinders.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/002.JPG" /></span></p> <p><span data-contrast="auto">The journey wasn&#39;t without its challenges, as sourcing compatible components and optimizing circuitry proved to be formidable tasks. Phil&#39;s meticulous approach to circuit design, including the strategic placement of sensors to minimize interference, underscores his commitment to functionality and reliability.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/003.png" /></span></p> <p><span data-contrast="auto">Embracing open-source principles, Phil&#39;s latest iteration incorporates user-friendly microprocessors and circuit Python, empowering fellow enthusiasts to customize and enhance the device according to their needs. The modular design facilitates easy component replacement, ensuring adaptability and longevity in a dynamic exploration environment.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/004.png" /></span></p> <p><span data-contrast="auto">As Phil concludes his demonstration, he emphasizes the importance of collaboration and community engagement in advancing cave exploration technology. With his innovative tool in hand, he hopes to inspire fellow cavers to embrace the spirit of innovation and join in with iterating on new versions of the tool and its software or creating your own!</span><span>&nbsp;</span></p> <p><span><img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/005b.jpg" /></span></p> <p><span><img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/006.png" /></span></p> <h2 id="mcetoc_1hpgntqlg1"><span>Downloads &amp; Links:</span></h2> <ul> <li><a href="/challenges-projects/element14-presents/m/files/149211" data-e14adj="t"><span>Download Code &amp; CAD Files!</span></a></li> <li><span>GitHub:&nbsp;&nbsp; <a id="" href="https://github.com/furbrain/STIC" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">https://github.com/furbrain/STIC</a></span></li> <li><a href="http://www.egismos.com/laser-distance-module-2M-100M-RS232" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">Egismos website</a></li> <li><a href="https://play.google.com/store/apps/details?id=org.hwyl.sexytopo&amp;hl=en&amp;gl=US" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">App</a></li> </ul> <h2 id="mcetoc_1hpgo79l63">Bill of Material:</h2> <table class="e14-product-bom-main"> <tbody> <tr> <th>Product Name</th> <th>Manufacturer</th> <th>Quantity</th> <th><a id="e14-product-link-5c151" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732918,2396052~2,2077888,3416643~2,3618969,3535545,9979620,9732861,9732853,2433031,9342788~3,3482981,4060352&nsku=57H4719,40Y2449~2,71AH4109~2,24AJ0389,84AH1138,97C8588,98K9823,98K9821,75X9925,38K5437~3,76AH4792,55AK3430&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('5c151'));" data-farnell="9732918,2396052~2,2077888,3416643~2,3618969,3535545,9979620,9732861,9732853,2433031,9342788~3,3482981,4060352" data-newark="57H4719,40Y2449~2,71AH4109~2,24AJ0389,84AH1138,97C8588,98K9823,98K9821,75X9925,38K5437~3,76AH4792,55AK3430" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Kit</a> </th> </tr> <tr> <td>Picoblade 3-way right angle connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-e0bb2" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732918&nsku=57H4719&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('e0bb2'));" data-farnell="9732918" data-newark="57H4719" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Tactile switch</td> <td>Alcoswitch</td> <td>2</td> <td><a id="e14-product-link-0f947" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2396052~2&nsku=40Y2449~2&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('0f947'));" data-farnell="2396052~2" data-newark="40Y2449~2" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Lipo Battery 523450 950mAh</td> <td>Bak Technology</td> <td>1</td> <td><a id="e14-product-link-d2cc1" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="javascript:void(0)" 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('d2cc1'));" data-farnell="2077888" data-newark="" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>1.0uF Ceramic capacitor</td> <td>TDK</td> <td>2</td> <td><a id="e14-product-link-787ea" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3416643~2&nsku=71AH4109~2&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('787ea'));" data-farnell="3416643~2" data-newark="71AH4109~2" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>4.7uF Ceramic capacitor</td> <td>TDK</td> <td>1</td> <td><a id="e14-product-link-ddb2e" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3618969&nsku=24AJ0389&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('ddb2e'));" data-farnell="3618969" data-newark="24AJ0389" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Lipo Battery Charger IC</td> <td>Torex</td> <td>1</td> <td><a id="e14-product-link-60893" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3535545&nsku=84AH1138&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('60893'));" data-farnell="3535545" data-newark="84AH1138" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>SPOX 3-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-7d7f1" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9979620&nsku=97C8588&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('7d7f1'));" data-farnell="9979620" data-newark="97C8588" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Picoblade 5-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-5e409" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732861&nsku=98K9823&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('5e409'));" data-farnell="9732861" data-newark="98K9823" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Picoblade 3-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-de404" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732853&nsku=98K9821&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('de404'));" data-farnell="9732853" data-newark="98K9821" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Piezo Speaker</td> <td>Multicomp</td> <td>1</td> <td><a id="e14-product-link-6cfb0" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2433031&nsku=75X9925&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('6cfb0'));" data-farnell="2433031" data-newark="75X9925" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>2k resistor</td> <td>Multicomp</td> <td>3</td> <td><a id="e14-product-link-b8d25" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9342788~3&nsku=38K5437~3&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('b8d25'));" data-farnell="9342788~3" data-newark="38K5437~3" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>3.3V linear regulator</td> <td>Diodes Inc</td> <td>1</td> <td><a id="e14-product-link-d362a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3482981&nsku=76AH4792&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('d362a'));" data-farnell="3482981" data-newark="76AH4792" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>XIAO nRF52840 Sense</td> <td>Seeed</td> <td>1</td> <td><a id="e14-product-link-caec8" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=4060352&nsku=55AK3430&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('caec8'));" data-farnell="4060352" data-newark="55AK3430" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr class="xs-hide"> <td>&nbsp;</td> <td></td> <td></td> <td></td> </tr> </tbody> </table> <h2 id="mcetoc_1hpgo880r4">Additional Parts:</h2> <table> <tbody> <tr> <td>RM 3100 magnetometer module</td> </tr> <tr> <td>Egismos Laser Module 2</td> </tr> <tr> <td>OLED display screen</td> </tr> </tbody> </table> <p></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 loading="lazy" alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"><br /> <p style="margin:0;"><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; About Phil Underwood&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/" data-e14adj="t">Project Videos</a></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Magnetic sensor compass, Customizable cave exploration gadget, High-tech spelunking gear, Underground exploration device, Underground mapping solution, Cave surveying tool, circuitpython, Accelerometer-based survey tool, surveying, accelerometer, Xiao, Caving equipment innovation, Advanced cave mapping technology, Modular underground navigation device, DIY cave exploration tool, magnetometer, Open-source cave survey device, Ruggedized cave survey equipment, nrf52840, Innovative caving technology, caving, speleology, laser, friday_release, mapping, Laser rangefinder for caves</div> https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647/revision/1Thu, 21 Mar 2024 15:09:02 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:285911af-c013-4c78-9bd9-4630ce40a358tariq.ahmadhttps://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/29537/building-an-open-source-tool-for-cave-surveying----episode-647#commentsRevision 1 posted to Documents by tariq.ahmad on 3/21/2024 3:09:02 PM<br /> <p><span data-contrast="auto">Join Phil, an avid caver as he recounts his journey of creating a cutting-edge cave surveying tool. Reflecting on his experiences in the 1990s, where primitive equipment like mechanical compasses and cumbersome tape measures hindered exploration efforts, Phil recognized the need for a more effective solution.</span><span>&nbsp;</span></p> <h2 id="mcetoc_1hpgnm0ij0"><span>Watch the Video:</span></h2> <p><span><a href="https://www.youtube.com/watch?v=0faE3U0WVSU">www.youtube.com/watch</a></span></p> <p><span data-contrast="auto">The initial challenges Phil faced with traditional equipment included the inconvenience of low visibility, magnetic interference from lighting sources, and the impracticality of taking measurements in precarious cave conditions. Determined to streamline the process, he delved into research and development, exploring the potential of magnetic sensors, accelerometers, and laser technology.</span><span>&nbsp;</span></p> <p><span><img alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/001.png" />&nbsp;</span></p> <p><span data-contrast="auto">Over the years, Phil&#39;s designs evolved, culminating in the creation of &quot;The Shetland Attack Pony,&quot; a compact yet robust cave surveying tool. Initially featuring a basic alphanumeric display and rudimentary laser pointer, subsequent iterations integrated advanced components like transparent cases, ruggedized displays, and high-range laser rangefinders.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/002.JPG" /></span></p> <p><span data-contrast="auto">The journey wasn&#39;t without its challenges, as sourcing compatible components and optimizing circuitry proved to be formidable tasks. Phil&#39;s meticulous approach to circuit design, including the strategic placement of sensors to minimize interference, underscores his commitment to functionality and reliability.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/003.png" /></span></p> <p><span data-contrast="auto">Embracing open-source principles, Phil&#39;s latest iteration incorporates user-friendly microprocessors and circuit Python, empowering fellow enthusiasts to customize and enhance the device according to their needs. The modular design facilitates easy component replacement, ensuring adaptability and longevity in a dynamic exploration environment.</span><span>&nbsp;</span></p> <p><span>&nbsp;<img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/004.png" /></span></p> <p><span data-contrast="auto">As Phil concludes his demonstration, he emphasizes the importance of collaboration and community engagement in advancing cave exploration technology. With his innovative tool in hand, he hopes to inspire fellow cavers to embrace the spirit of innovation and join in with iterating on new versions of the tool and its software or creating your own!</span><span>&nbsp;</span></p> <p><span><img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/005b.jpg" /></span></p> <p><span><img loading="lazy" alt="image" style="max-height:360px;max-width:640px;" src="/resized-image/__size/1280x720/__key/communityserver-wikis-components-files/00-00-00-04-35/006.png" /></span></p> <h2 id="mcetoc_1hpgntqlg1"><span>Downloads &amp; Links:</span></h2> <ul> <li><span>Download Code &amp; CAD Files!</span></li> <li><span>GitHub:&nbsp;&nbsp; <a id="" href="https://github.com/furbrain/STIC" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">https://github.com/furbrain/STIC</a></span></li> <li><a href="http://www.egismos.com/laser-distance-module-2M-100M-RS232" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">Egismos website</a></li> <li><a href="https://play.google.com/store/apps/details?id=org.hwyl.sexytopo&amp;hl=en&amp;gl=US" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">App</a></li> </ul> <h2 id="mcetoc_1hpgo79l63">Bill of Material:</h2> <table class="e14-product-bom-main"> <tbody> <tr> <th>Product Name</th> <th>Manufacturer</th> <th>Quantity</th> <th><a id="e14-product-link-1ba13" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732918,2396052~2,2077888,3416643~2,3618969,3535545,9979620,9732861,9732853,2433031,9342788~3,3482981,4060352&nsku=57H4719,40Y2449~2,71AH4109~2,24AJ0389,84AH1138,97C8588,98K9823,98K9821,75X9925,38K5437~3,76AH4792,55AK3430&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('1ba13'));" data-farnell="9732918,2396052~2,2077888,3416643~2,3618969,3535545,9979620,9732861,9732853,2433031,9342788~3,3482981,4060352" data-newark="57H4719,40Y2449~2,71AH4109~2,24AJ0389,84AH1138,97C8588,98K9823,98K9821,75X9925,38K5437~3,76AH4792,55AK3430" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Kit</a> </th> </tr> <tr> <td>Picoblade 3-way right angle connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-6a2c3" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732918&nsku=57H4719&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('6a2c3'));" data-farnell="9732918" data-newark="57H4719" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Tactile switch</td> <td>Alcoswitch</td> <td>2</td> <td><a id="e14-product-link-b94b8" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2396052~2&nsku=40Y2449~2&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('b94b8'));" data-farnell="2396052~2" data-newark="40Y2449~2" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Lipo Battery 523450 950mAh</td> <td>Bak Technology</td> <td>1</td> <td><a id="e14-product-link-82d79" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="javascript:void(0)" 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('82d79'));" data-farnell="2077888" data-newark="" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>1.0uF Ceramic capacitor</td> <td>TDK</td> <td>2</td> <td><a id="e14-product-link-8c32a" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3416643~2&nsku=71AH4109~2&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('8c32a'));" data-farnell="3416643~2" data-newark="71AH4109~2" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>4.7uF Ceramic capacitor</td> <td>TDK</td> <td>1</td> <td><a id="e14-product-link-ed645" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3618969&nsku=24AJ0389&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('ed645'));" data-farnell="3618969" data-newark="24AJ0389" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Lipo Battery Charger IC</td> <td>Torex</td> <td>1</td> <td><a id="e14-product-link-2de06" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3535545&nsku=84AH1138&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('2de06'));" data-farnell="3535545" data-newark="84AH1138" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>SPOX 3-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-e0d55" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9979620&nsku=97C8588&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('e0d55'));" data-farnell="9979620" data-newark="97C8588" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Picoblade 5-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-18863" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732861&nsku=98K9823&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('18863'));" data-farnell="9732861" data-newark="98K9823" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Picoblade 3-way connector</td> <td>Molex</td> <td>1</td> <td><a id="e14-product-link-4d184" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9732853&nsku=98K9821&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('4d184'));" data-farnell="9732853" data-newark="98K9821" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>Piezo Speaker</td> <td>Multicomp</td> <td>1</td> <td><a id="e14-product-link-0a74d" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=2433031&nsku=75X9925&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('0a74d'));" data-farnell="2433031" data-newark="75X9925" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>2k resistor</td> <td>Multicomp</td> <td>3</td> <td><a id="e14-product-link-231da" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=9342788~3&nsku=38K5437~3&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('231da'));" data-farnell="9342788~3" data-newark="38K5437~3" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>3.3V linear regulator</td> <td>Diodes Inc</td> <td>1</td> <td><a id="e14-product-link-2f81c" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=3482981&nsku=76AH4792&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('2f81c'));" data-farnell="3482981" data-newark="76AH4792" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr> <td>XIAO nRF52840 Sense</td> <td>Seeed</td> <td>1</td> <td><a id="e14-product-link-b76e8" data-at-areainteracted="rte-content" data-at-type="click" data-at-link-type="button" href="https://referral.element14.com/OrderCodeView?fsku=4060352&nsku=55AK3430&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('b76e8'));" data-farnell="4060352" data-newark="55AK3430" data-comoverride="" data-cmpoverride="" data-cpc="" data-avnetemea="" data-avnetema="" data-avnetasia="" >Buy Now</a> </td> </tr> <tr class="xs-hide"> <td>&nbsp;</td> <td></td> <td></td> <td></td> </tr> </tbody> </table> <h2 id="mcetoc_1hpgo880r4">Additional Parts:</h2> <table> <tbody> <tr> <td>RM 3100 magnetometer module</td> </tr> <tr> <td>Egismos Laser Module 2</td> </tr> <tr> <td>OLED display screen</td> </tr> </tbody> </table> <p></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 loading="lazy" alt="element14 presents" src="/e14/assets/legacy/2018/e14PresentsJune818.png" width="180px" /></a></div> <div style="display:inline-block;vertical-align:top;width:70%;"><br /> <p style="margin:0;"><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; About Phil Underwood&nbsp;<strong>|</strong>&nbsp; <a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/element14-presents/project-videos/" data-e14adj="t">Project Videos</a></p> <p style="margin:0;"></p> </div> </div><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Magnetic sensor compass, Customizable cave exploration gadget, High-tech spelunking gear, Underground exploration device, Underground mapping solution, Cave surveying tool, circuitpython, Accelerometer-based survey tool, surveying, accelerometer, Xiao, Caving equipment innovation, Advanced cave mapping technology, Modular underground navigation device, DIY cave exploration tool, magnetometer, Open-source cave survey device, Ruggedized cave survey equipment, nrf52840, Innovative caving technology, caving, speleology, laser, friday_release, mapping, Laser rangefinder for caves</div>