adafruit (Posts tagged pcb)

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rel="canonical" href="https://www.tumblr.com/adafruit/tagged/pcb" /></head> <body data-urlencoded-name="adafruit" class="regular index-page display-related-posts">  <h1 style="display: none;">adafruit (Posts tagged pcb)</h1> <div class="app-nag"> <div class="app-nag-header clearfix"> <div class="app-nag-icon"> <div class="app-nag-icon-ios"> <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 1024 1024" enable-background="new 0 0 1024 1024" xml:space="preserve"> <path fill="#36465D" d="M1024,771c0,139.2-113.8,253-253,253H253C113.8,1024,0,910.2,0,771V253C0,113.8,113.8,0,253,0h518 c139.2,0,253,113.8,253,253V771z"/> <path fill="none" stroke="#FFF100" stroke-width="4" stroke-miterlimit="10" d="M463.9,209.4"/> <path opacity="0.6" fill="#231F20" d="M628.1,681c8.2,0,17.1-1.2,25.8-3.3V530.3h111.6V401.8h-68.6V473H585.4v162.4 C586,676.3,609.1,681,628.1,681z M654.4,250.5h-68.6v94h68.6V250.5z 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C586,676.3,609.1,681,628.1,681z M654.4,250.5h-68.6v94h68.6V250.5z M754.3,722.9c-12.7,7.1-28.9,12.4-44.3,14.5l11.4,33.8 c-20.5,27-71.4,45.5-118.1,46.3c-1.6,0-3.1,0-4.7,0c0,0,0,0,0,0c-32.5,0-59.5-5.7-81.9-15.3c26.2,40,72.7,72.6,150.5,72.6c0,0,0,0,0,0c1.6,0,3.1,0,4.7,0c46.6-0.8,97.6-19.4,118.1-46.3L754.3,722.9z"></path> <path fill="none" stroke="#FFF100" stroke-width="4" stroke-miterlimit="10" d="M355,359.5"></path> <path fill="#36465D" d="M577.5,830.6c65.1,0,129.7-23.2,151-51.3l4.3-5.6l-40.4-119.7c-0.4-1.1-1.4-1.9-2.6-1.9h-7.6h-3.5l-79.1,0 c-1.2,0-2.3-0.8-2.6-2c-1.1-4-1.7-8.9-1.8-14.9V489c0-1.5,1.2-2.7,2.7-2.7h106.1c1.5,0,2.7-1.2,2.7-2.7V333.8c0-1.5-1.2-2.7-2.7-2.7 H598.4c-1.5,0-2.7-1.2-2.7-2.7V182.5c0-1.5-1.2-2.7-2.7-2.7h-82.6h-28.9h-73.8c-13.3,0-28.5,9.8-30.8,28 c-9.3,75.3-43.8,120.5-108.7,142.2l-7.2,2.4c-1.1,0.4-1.9,1.4-1.9,2.6v128.6c0,1.5,1.2,2.7,2.7,2.7h50.4h0h15.9c0,0,0,120,0,158.3 C328.1,771,415.7,830.6,577.5,830.6z M701.6,769.5c-20.3,19.5-62,34.1-102,34.7c-1.5,0-3,0-4.5,0h0 c-131.5,0-166.6-100.4-166.6-159.7V462.3c0-1.5-1.2-2.7-2.7-2.7h-63.6c-1.5,0-2.7-1.2-2.7-2.7v-83c0-1.1,0.7-2.1,1.7-2.5 c68-26.5,105.9-79,115.9-160.3c0.6-4.5,4.3-4.6,4.3-4.6h84.9c1.5,0,2.7,1.2,2.7,2.7v145.9c0,1.5,1.2,2.7,2.7,2.7h105.7 c1.5,0,2.7,1.2,2.7,2.7v96.4c0,1.5-1.2,2.7-2.7,2.7H571.3c-1.5,0-2.7,1.2-2.7,2.7l0,173.2c0.6,39,19.5,58.8,56.1,58.8 c14.7,0,31.6-3.4,47.1-9.3c1.4-0.6,3,0.2,3.5,1.6l27,80C702.6,767.7,702.4,768.8,701.6,769.5z"></path> <path opacity="0.5" fill="#2D3F54" d="M328.1,528.9h73.8v-40.2c0-1.3-1.1-2.4-2.4-2.4h-71.4V528.9z"></path> </svg> </div> </div> <div class="app-nag-ratings"> <svg width="181px" height="30px" viewBox="0 0 181 30" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <path d="M15.8,25.2 L6.1,29.8 L7.5,19.2 L0.1,11.4 L10.6,9.5 L15.8,0 L20.9,9.5 L31.4,11.4 L24,19.2 L25.4,29.8 L15.8,25.2 Z" fill="#FFC00E"></path> <path d="M52.8,25.2 L43.1,29.8 L44.5,19.2 L37.1,11.4 L47.6,9.5 L52.8,0 L57.9,9.5 L68.4,11.4 L61,19.2 L62.4,29.8 L52.8,25.2 Z" fill="#FFC00E"></path> <path d="M89.8,25.2 L80.1,29.8 L81.5,19.2 L74.1,11.4 L84.6,9.5 L89.8,0 L94.9,9.5 L105.4,11.4 L98,19.2 L99.4,29.8 L89.8,25.2 Z" fill="#FFC00E"></path> <path d="M126.8,25.2 L117.1,29.8 L118.5,19.2 L111.1,11.4 L121.6,9.5 L126.8,0 L131.9,9.5 L142.4,11.4 L135,19.2 L136.4,29.8 L126.8,25.2 Z" fill="#FFC00E"></path> <path d="M163.8,25.2 L154.1,29.8 L155.5,19.2 L148.1,11.4 L158.6,9.5 L163.8,0 L168.9,9.5 L179.4,11.4 L172,19.2 L173.4,29.8 L163.8,25.2 Z" fill="#E7E7E7"></path> <path d="M163.3,25.1 L154.1,29.8 L155.5,19.2 L148.1,11.4 L158.6,9.5 L163.3,0.9 L163.3,25.1 Z" fill="#FFC00E"></path> </g> </svg> <div class="app-nag-ratings-text app-nag-ratings-text-android"> 1.5M ratings </div> <div class="app-nag-ratings-text app-nag-ratings-text-ios"> 277k ratings </div> </div> <div class="app-nag-close-button"> <svg width="15px" height="15px" viewBox="0 0 30 30" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <path d="M12.510351,14.6860639 L0,27.1964147 L2.175713,29.3721278 L14.686064,16.8617771 L27.196415,29.3721278 L29.372128,27.1964147 L16.861777,14.6860639 L29.372128,2.1757132 L27.196415,0 L14.686064,12.5103507 L2.175713,0 L0,2.1757132 L12.510351,14.6860639 L12.510351,14.6860639 Z" fill="#D3D3D3"></path> </g> </svg> </div> </div> <div class="app-nag-body"> <h2 class="app-nag-callout">See, that’s what the app is perfect for.</h2> <a class="app-nag-large-button app-nag-app-store-link button blue">Sounds perfect</a> <a class="app-nag-large-button app-nag-app-store-deny">Wahhhh, I don’t wanna</a> </div> </div> <section id="page" class="h-feed"> <div class="header-wrapper avatar-style-circle"> <header id="header" class="top-blog-header"> <div class="header-image-wrapper "> <a href="/" class="header-image parallax cover " 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by Limor & Phillip - no bots, all posts are from either ladyada or pt, blame them :) </span> </div> </div> </header> </div> <div class="nav-wrapper nav-responsive"> <nav class="nav-menu"> <ul class="inline-nav"> <li class="nav-item nav-item--posts"> <a href="/" class="label ">Posts</a> </li> <li class="nav-item nav-item--likes"> <a href="/likes" class="label ">Likes</a> </li> <li class="nav-item nav-item--following"> <a href="/following" class="label ">Following</a> </li> <li class="nav-item nav-item--ask"> <a href="/ask" class="label ">ask an engineer</a> </li> <li class="nav-item nav-item--submit"> <a href="/submit" class="label ">show and tell</a> </li> <li class="nav-item nav-item--archive"> <a href="/archive" class="label external-page">Archive</a> </li> </ul> </nav> </div> <section id="posts" class="content clearfix avatar-style-circle show-nav"> <div class="container"> <div class="main"> <article class="text not-page post-778052164394385408 " data-post-id="778052164394385408" > <div class="post-wrapper clearfix h-entry"> <header class="post-header "> </header> <section class="post"> <div class="post-content"> <div class="body-text e-content"><figure class="tmblr-full" data-orig-height="1080" data-orig-width="1920" data-npf="{"type":"video","provider":"tumblr","url":"https://va.media.tumblr.com/tumblr_st5a62vdA01was4p5_720.mp4","media":{"url":"https://va.media.tumblr.com/tumblr_st5a62vdA01was4p5_720.mp4","type":"video/mp4","width":1920,"height":1080},"poster":[{"url":"https://64.media.tumblr.com/tumblr_st5a62vdA01was4p5_frame1.jpg","type":"image/jpeg","width":1920,"height":1080}],"filmstrip":{"url":"https://64.media.tumblr.com/previews/tumblr_st5a62vdA01was4p5_filmstrip.jpg","type":"image/jpeg","width":2000,"height":112}}"><video controls="controls" autoplay="autoplay" playsinline="playsinline" muted="muted" poster="https://64.media.tumblr.com/tumblr_st5a62vdA01was4p5_frame1.jpg"><source src="https://va.media.tumblr.com/tumblr_st5a62vdA01was4p5_720.mp4" type="video/mp4" /></video></figure><p>Solenoids go clicky-clacky 🔩🔊🤖</p><p>We’re testing out an I2C-to-solenoid driver today. It uses an MCP23017 expander. We like this particular chip for this usage because it has push-pull outputs, making it ideal for driving our N-channel FETs and flyback diodes. The A port connects to the 8 drivers, while the B port remains available for other GPIO purposes. For this demo, whenever we ‘touch’ a pin on port B to ground, the corresponding solenoid triggers provide an easy way to check speed and power usage.</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/solenoid">solenoid</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/i2c">i2c</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/mcp23017">mcp23017</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/hardwarehacking">hardwarehacking</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/maker">maker</a> <a class="meta-item tag-link p-category" 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class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/tinkering">tinkering</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/gpio">gpio</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/fet">fet</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/flybackdiode">flybackdiode</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/programming">programming</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/linux">linux</a> </section> </section> <section class="panel"> <footer class="post-footer"> <section class="panel"> <section class="inline-meta date-notes"> <div class="date-note-wrapper"> <span> <a href="https://adafruit.tumblr.com/post/778052164394385408/solenoids-go-clicky-clacky-were-testing-out#notes" class="meta-item post-notes">32 notes</a> </span> <a href="https://adafruit.tumblr.com/post/778052164394385408/solenoids-go-clicky-clacky-were-testing-out" title="1 week ago" class="meta-item post-date">Mar 14th, 2025</a><time class="dt-published" datetime="2025-03-14 23:12:45"></time> </div> </section> <section class="post-controls"> <div class="controls-wrapper"> <div class="control share-control"> <nav class="pop"> <a href="#" class="share selector"></a> <div class="pop-menu share-menu south" id="share_778052164394385408"> <ul> <li class="open-in-app"><a href="#" class="share-item open-in-app" data-post="778052164394385408">Open in app</a></li> <li><a href="https://facebook.com/sharer.php?u=https%3A%2F%2Fadafruit.tumblr.com%2Fpost%2F778052164394385408%2Fsolenoids-go-clicky-clacky-were-testing-out&t=" class="share-item facebook" target="_blank">Facebook</a></li> <li><a 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src="https://assets.tumblr.com/assets/html/like_iframe.html?_v=c96f30edcf75919c3976e1403422560b#name=adafruit&post_id=778052164394385408&color=black&rk=Mik6xrCf&slug=solenoids-go-clicky-clacky-were-testing-out" scrolling="no" width="24" height="24" frameborder="0" class="like_toggle" allowTransparency="true" name="like_iframe_778052164394385408"></iframe></div></div> </div> </section> </section> <section class="inline-meta date-notes"> <span class="notes-pop-container"> </span> </section> </footer> </section> </div> </article> <article class="text not-page post-768068792905596928 " data-post-id="768068792905596928" > <div class="post-wrapper clearfix h-entry"> <header class="post-header "> </header> <section class="post"> <div class="post-content"> <div class="body-text e-content"><figure class="tmblr-full" data-orig-height="1080" data-orig-width="1920" data-npf="{"type":"video","provider":"tumblr","url":"https://va.media.tumblr.com/tumblr_snh7r2YwJy1was4p5_720.mp4","media":{"url":"https://va.media.tumblr.com/tumblr_snh7r2YwJy1was4p5_720.mp4","type":"video/mp4","width":1920,"height":1080},"poster":[{"url":"https://64.media.tumblr.com/tumblr_snh7r2YwJy1was4p5_frame1.jpg","type":"image/jpeg","width":1920,"height":1080}],"filmstrip":{"url":"https://64.media.tumblr.com/previews/tumblr_snh7r2YwJy1was4p5_filmstrip.jpg","type":"image/jpeg","width":2000,"height":112}}"><video controls="controls" autoplay="autoplay" playsinline="playsinline" muted="muted" poster="https://64.media.tumblr.com/tumblr_snh7r2YwJy1was4p5_frame1.jpg"><source src="https://va.media.tumblr.com/tumblr_snh7r2YwJy1was4p5_720.mp4" type="video/mp4" /></video></figure><p>A4988 breakout prototype testing ⚙️🔧</p><p>We got our Allegro A4988 stepper driver breakout PCBs back and are ready to test them. First, we verified that STEP and DIR worked (yes!) and that the LEDs lit (yes, but we need to tweak the resistors to make the brightness even). Then we tried all of the stepper-settings, you can select 1, 4, 8, or 16-microsteps. All the sleep/reset/enable pins work. Finally, we checked the current limiting functionality with a potentiometer that can be twisted to select up to 2A current per coil. This directly affects the torque, so it’s easy to test by verifying that we can stall the motor with hands or vise-grips. We’ll order these with 2oz copper and get them into production next!</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/a4988">a4988</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/stepperdriver">stepperdriver</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcb">pcb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/prototype">prototype</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/testing">testing</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/breakoutboard">breakoutboard</a> <a class="meta-item tag-link p-category" 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17:31:20"></time> </div> </section> <section class="post-controls"> <div class="controls-wrapper"> <div class="control share-control"> <nav class="pop"> <a href="#" class="share selector"></a> <div class="pop-menu share-menu south" id="share_768068792905596928"> <ul> <li class="open-in-app"><a href="#" class="share-item open-in-app" data-post="768068792905596928">Open in app</a></li> <li><a href="https://facebook.com/sharer.php?u=https%3A%2F%2Fadafruit.tumblr.com%2Fpost%2F768068792905596928%2Fa4988-breakout-prototype-testing-we-got-our&t=" class="share-item facebook" target="_blank">Facebook</a></li> <li><a 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data-big-photo="https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s1280x1920/1a03e63e23612ceb5d5658ab6a6bacb56f386094.png" data-big-photo-height="1080" data-big-photo-width="1080"><img class="post_media_photo image" src="https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s1280x1920/1a03e63e23612ceb5d5658ab6a6bacb56f386094.png" srcset="https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s75x75_c1/828a5b79eb1de4af7fd058b129f5b579e2421c60.png 75w, https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s100x200/8c3d09425e6eacb0307debae01c383b663aa6a6e.png 100w, https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s250x400/98801d311565be6dcebdb2a23b1828715e309eab.png 250w, https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s400x600/1ccee5825ac042bfd1fa29e591bfbca8961dfad4.png 400w, https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s500x750/466234ad8190f56abaa5f1eab049dcd094070f90.png 500w, https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s540x810/1312723d031ae8877b68972281e52238694c516d.png 540w, https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s640x960/7cae408750ef1319ba547aa7bba8a1e66183bf48.png 640w, https://64.media.tumblr.com/1786a457cb46ba26d5812f1cb86c8d3e/2e7912dac86a4f04-6b/s1280x1920/1a03e63e23612ceb5d5658ab6a6bacb56f386094.png 1080w" sizes="(max-width: 1080px) 100vw, 1080px" alt="image"></a></figure></div></div><p>Sunken USB Type C breakout 🔌🛠️🧩</p><p>Folks love our standard USB Type C breakout (<a href="https://www.adafruit.com/search?q=usb+type+c+breakout">https://www.adafruit.com/search?q=usb+type+c+breakout</a>) - and we recently got a request to carry a ‘sunken’ Type C breakout - what’s that mean? It looks like this! instead of sitting above the PCB the connector sits in the midline for a svelte look. this connector got our pick because it has four burly THM tabs to keep the connector from cracking at the contact pads.</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/usb">usb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/usbc">usbc</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcb">pcb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/hardware">hardware</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/maker">maker</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/diy">diy</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/breakoutboard">breakoutboard</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/connectors">connectors</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/tech">tech</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/engineering">engineering</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/innovation">innovation</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/projects">projects</a> </section> </section> <section class="panel"> <footer class="post-footer"> <section class="panel"> <section class="inline-meta date-notes"> <div class="date-note-wrapper"> <span> <a href="https://adafruit.tumblr.com/post/760615018965467136/sunken-usb-type-c-breakout-folks-love-our#notes" class="meta-item post-notes">22 notes</a> </span> <a href="https://adafruit.tumblr.com/post/760615018965467136/sunken-usb-type-c-breakout-folks-love-our" title="6 months ago" class="meta-item post-date">Sep 3rd, 2024</a><time class="dt-published" datetime="2024-09-03 11:56:48"></time> </div> </section> <section class="post-controls"> <div class="controls-wrapper"> <div class="control share-control"> <nav class="pop"> <a href="#" class="share selector"></a> <div class="pop-menu share-menu south" id="share_760615018965467136"> <ul> <li class="open-in-app"><a href="#" class="share-item open-in-app" data-post="760615018965467136">Open in app</a></li> <li><a href="https://facebook.com/sharer.php?u=https%3A%2F%2Fadafruit.tumblr.com%2Fpost%2F760615018965467136%2Fsunken-usb-type-c-breakout-folks-love-our&t=" class="share-item facebook" target="_blank">Facebook</a></li> <li><a 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data-npf="{"type":"video","provider":"tumblr","url":"https://va.media.tumblr.com/tumblr_seol30SZnk1was4p5_720.mp4","media":{"url":"https://va.media.tumblr.com/tumblr_seol30SZnk1was4p5_720.mp4","type":"video/mp4","width":1920,"height":1080},"poster":[{"url":"https://64.media.tumblr.com/tumblr_seol30SZnk1was4p5_frame1.jpg","type":"image/jpeg","width":1920,"height":1080}],"filmstrip":{"url":"https://64.media.tumblr.com/previews/tumblr_seol30SZnk1was4p5_filmstrip.jpg","type":"image/jpeg","width":2000,"height":112}}"><video controls="controls" autoplay="autoplay" playsinline="playsinline" muted="muted" poster="https://64.media.tumblr.com/tumblr_seol30SZnk1was4p5_frame1.jpg"><source src="https://va.media.tumblr.com/tumblr_seol30SZnk1was4p5_720.mp4" type="video/mp4" /></video></figure><p>USB C plug breakout prototype testing</p><p>We finally got our USB C plug breakout prototypes put together and now its time to test! of course we love to use our own breakouts when verifying functionality so here we’re using our switchable USB adapter to check functionality: power, ground, D+ and D-. if a device enumerates we know its good! we tested the CC line by plugging it into an apple wall adapter: they’re picky about having a 5.1K resistor on the CC pin. that worked too - so now we’re good to book final PCBs.</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/usb">usb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/usbc">usbc</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcb">pcb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcbs">pcbs</a> </section> </section> <section class="panel"> <footer class="post-footer"> <section class="panel"> <section class="inline-meta date-notes"> <div class="date-note-wrapper"> <span> <a 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src="https://safe.txmblr.com/svc/embed/inline/https%3A%2F%2Fyoutu.be%2FtrK2tNe4iUk#embed-67df150c1637a475850195-partied" width="700" height="393" scrolling="no" frameborder="0" allowfullscreen="allowfullscreen" mozallowfullscreen="" webkitallowfullscreen=""></iframe></figure><p>Desk of Ladyada - Infrared Testers & Tons of Trinkeys! <a href="https://youtu.be/trK2tNe4iUk">https://youtu.be/trK2tNe4iUk</a></p><p>Creating infrared board testers and small designs, including an Accessibility Trinkey and a Pixel Trinkey. Also exploring PCB-mount USB C plugs for modern Trinkeys.</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/hardware">hardware</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcb">pcb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/desk%20of%20ladyada">desk of ladyada</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/Youtube">Youtube</a> </section> </section> <section class="panel"> <footer class="post-footer"> <section class="panel"> <section class="inline-meta date-notes"> <div class="date-note-wrapper"> <span> <a 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data-big-photo="https://64.media.tumblr.com/a3e5f700b8b0d54e548d6c27ea418f35/73885052d01bd1af-f1/s1280x1920/bf36f3a82975399cc7c15d59de3e1f7befde8ce7.png" data-big-photo-height="1080" data-big-photo-width="1080"><img class="post_media_photo image" src="https://64.media.tumblr.com/a3e5f700b8b0d54e548d6c27ea418f35/73885052d01bd1af-f1/s1280x1920/bf36f3a82975399cc7c15d59de3e1f7befde8ce7.png" srcset="https://64.media.tumblr.com/a3e5f700b8b0d54e548d6c27ea418f35/73885052d01bd1af-f1/s75x75_c1/423dec2cd507c9f5a0c11d20692bea5ac6ff348b.png 75w, https://64.media.tumblr.com/a3e5f700b8b0d54e548d6c27ea418f35/73885052d01bd1af-f1/s100x200/4a9374490a465e6195e43fb429e2a5975ee23d03.png 100w, https://64.media.tumblr.com/a3e5f700b8b0d54e548d6c27ea418f35/73885052d01bd1af-f1/s250x400/b6dff7bc31dbfcee99905cc463dcb5889660875f.png 250w, https://64.media.tumblr.com/a3e5f700b8b0d54e548d6c27ea418f35/73885052d01bd1af-f1/s400x600/e38b53aec8a9aa64f004a065fa4804bff97bdd43.png 400w, 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src="https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s1280x1920/e668e6cf86c42494a37d4224e066c3c0aa030d65.png" srcset="https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s75x75_c1/feb81f7b91f29ea47d2ebbc6f6df9a474a6ed23d.png 75w, https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s100x200/eac1fda49e288cbe98d8c2d635a8def314b0f12c.png 100w, https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s250x400/d8a08e25a0cb4fb1370134d9cd5c1648da8d1744.png 250w, https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s400x600/4ce6bcb2447e20ee78a823391ea1c348c32ab622.png 400w, https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s500x750/bd6ed60904cbb858fb705d7ddd7c01230c79654c.png 500w, https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s540x810/50dd29cbc6363d21be817524aa8571218db805a0.png 540w, https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s640x960/8c9f0e3f2aceecc2cea48c00331f6ef7e77764aa.png 640w, https://64.media.tumblr.com/c0b7492a9fd276138742516274f8aae4/73885052d01bd1af-5b/s1280x1920/e668e6cf86c42494a37d4224e066c3c0aa030d65.png 1080w" sizes="(max-width: 1080px) 100vw, 1080px" alt="image"></a></figure></div></div><p>Coming soon - hippity hoppity here comes a floppity 💾 🐇</p><p>We had a quest to do some floppy projects back in 2022 (<a href="https://blog.adafruit.com/2022/02/09/refactor-of-adafruit_floppy-for-timer-support-mac-disk-success/">https://blog.adafruit.com/2022/02/09/refactor-of-adafruit_floppy-for-timer-support-mac-disk-success/</a>) but our eyes were bigger than our BOM - many components we designed into this floppy interface board were not available… but now we’re back and it’s time to make the bestest floppy archiver/writer/emulator(?)</p><p>First is the power supply - we need both 5V and 12V. We tried sourcing split 5/12V supplies but were not successful. so instead we can have a 12V power plug and a 5V ~3A buck converter based on the TPS563201 (<a href="https://www.digikey.com/en/products/detail/texas-instruments/TPS563201DDCT/5813458">https://www.digikey.com/en/products/detail/texas-instruments/TPS563201DDCT/5813458</a>). we’ve also got a TPS259540 12V OVP chip (<a href="https://www.digikey.com/en/products/base-product/texas-instruments/296/TPS259540/28780">https://www.digikey.com/en/products/base-product/texas-instruments/296/TPS259540/28780</a>) to make sure the 12V power supply doesn’t get swapped with a 15V by accident. USB C can be used when no 12V is needed.</p><p>An RP2040 does all the heavy lifting for floppy interfacing. There’s a 16M onboard flash plus an optional MicroSD card, so you can save raw disk flux dumps or 1:1 images. We tossed a 1.3" color TFT that might be useful for status updates. Also, we’d like to enable the ability to do off-line archiving - no computer is needed, and a display is essential.</p><p>Right now, we only have standard 34-pin IDC and 26-pin ‘laptop’ floppy pinouts. But we might look at adding disk ][ as well, since we got some Apple disk reading working. Since we have some silksreen room - the PCB is floppy disk sized but tbh we don’t need that much space - we added some adorable floppsy bunny art.</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/floppy">floppy</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/archive">archive</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/disk">disk</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcb">pcb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/idc">idc</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/techproject">techproject</a> <a class="meta-item 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class="tmblr-full" data-orig-height="1080" data-orig-width="1920" data-npf="{"type":"video","provider":"tumblr","url":"https://va.media.tumblr.com/tumblr_s3q71lAs4o1was4p5_720.mp4","media":{"url":"https://va.media.tumblr.com/tumblr_s3q71lAs4o1was4p5_720.mp4","type":"video/mp4","width":1920,"height":1080},"poster":[{"media_key":"6916b0de668285c1d9bb7cc35c78b2f6:75d062286fa6ed6b-f0","type":"image/jpeg","width":540,"height":304,"url":"https://64.media.tumblr.com/6916b0de668285c1d9bb7cc35c78b2f6/75d062286fa6ed6b-f0/s540x810/1b75403f3868a3468334bc70354254066fbaa5e2.jpg"}]}"><video controls="controls" autoplay="autoplay" playsinline="playsinline" muted="muted" poster="https://64.media.tumblr.com/6916b0de668285c1d9bb7cc35c78b2f6/75d062286fa6ed6b-f0/s540x810/1b75403f3868a3468334bc70354254066fbaa5e2.jpg"><source src="https://va.media.tumblr.com/tumblr_s3q71lAs4o1was4p5_720.mp4" type="video/mp4" /></video></figure><p><b>CST826 touchscreen support for 2.1" Round TFT Display</b></p><p><a href="https://www.adafruit.com/product/5792">Our cute 2.1" round 480x480 TFT display</a> has a CST826 capacitive touchscreen overlay - different than the other screens that all have Focaltech FT6336U or similar. Thanks to MakerMelissa we now have support in both <a href="https://github.com/adafruit/Adafruit_CST8XX_Library">Arduino</a> and <a href="https://github.com/adafruit/Adafruit_CircuitPython_CST8XX">CircuitPython</a>! We also got a version of our <a href="https://www.adafruit.com/product/5793">4" 720x720 display</a> with capacitive touch. Unfortunately this one doesn’t have the same ‘integrated’ style where the CTP pads go through the 40-pin connector, bot rather they’re on a separate 6-pin 0.5mm pitch tail. Still, it’s worth the effort, so we’ll make a lil breakout for the touch connector so you can plug it into the QT port.</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensource">opensource</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/manufacturing">manufacturing</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensourcehardware">opensourcehardware</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/nyc">nyc</a> <a class="meta-item tag-link p-category" 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class="control like-control"><div class="like_button" data-post-id="733284021668347904" data-blog-name="adafruit" id="like_button_733284021668347904"><iframe id="like_iframe_733284021668347904" src="https://assets.tumblr.com/assets/html/like_iframe.html?_v=c96f30edcf75919c3976e1403422560b#name=adafruit&post_id=733284021668347904&color=black&rk=FkSV3vqN&slug=cst826-touchscreen-support-for-21-round-tft" scrolling="no" width="24" height="24" frameborder="0" class="like_toggle" allowTransparency="true" name="like_iframe_733284021668347904"></iframe></div></div> </div> </section> </section> <section class="inline-meta date-notes"> <span class="notes-pop-container"> </span> </section> </footer> </section> </div> </article> <article class="text not-page post-732190942159945728 " data-post-id="732190942159945728" > <div class="post-wrapper clearfix h-entry"> <header class="post-header "> </header> <section class="post"> <div class="post-content"> <div class="body-text e-content"><figure class="tmblr-full" data-orig-height="1080" data-orig-width="1920" data-npf="{"type":"video","provider":"tumblr","url":"https://va.media.tumblr.com/tumblr_s33uowK1xe1was4p5_720.mp4","media":{"url":"https://va.media.tumblr.com/tumblr_s33uowK1xe1was4p5_720.mp4","type":"video/mp4","width":1920,"height":1080},"poster":[{"url":"https://64.media.tumblr.com/tumblr_s33uowK1xe1was4p5_frame1.jpg","type":"image/jpeg","width":1920,"height":1080}],"filmstrip":{"url":"https://64.media.tumblr.com/previews/tumblr_s33uowK1xe1was4p5_filmstrip.jpg","type":"image/jpeg","width":2000,"height":112}}"><video controls="controls" autoplay="autoplay" playsinline="playsinline" muted="muted" poster="https://64.media.tumblr.com/tumblr_s33uowK1xe1was4p5_frame1.jpg"><source src="https://va.media.tumblr.com/tumblr_s33uowK1xe1was4p5_720.mp4" type="video/mp4" /></video></figure><p>Making open-source electronics in NYC, USA <a class="tumblelog" href="https://tmblr.co/Mszfj1jvEDQST6nM0Mj4IJQ">@adafruit</a></p><p>Some factory footage!</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensource">opensource</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/manufacturing">manufacturing</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensourcehardware">opensourcehardware</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/nyc">nyc</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/technology">technology</a> <a class="meta-item tag-link p-category" 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</article> <article class="text not-page post-730663514744766464 " data-post-id="730663514744766464" > <div class="post-wrapper clearfix h-entry"> <header class="post-header "> </header> <section class="post"> <div class="post-content"> <div class="body-text e-content"><figure class="tmblr-embed tmblr-full"><iframe id="embed-67df150c1d8c6244320660" class="embed_iframe" src="https://safe.txmblr.com/svc/embed/inline/https%3A%2F%2Fyoutu.be%2FaCon4shjSJc#embed-67df150c1d8c6244320660-partied" width="700" height="393" scrolling="no" frameborder="0" allowfullscreen="allowfullscreen" mozallowfullscreen="" webkitallowfullscreen=""></iframe></figure><p>The Desk of Ladyada - USB Host Featherwing + 2.8" Round Display  & Clamping Cable Ferrites  </p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link 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src="https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s1280x1920/a76f6902e05b75a9258d72ed52c2c19dbadb9f20.png" srcset="https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s75x75_c1/a5a7525192bd7b973c044e8f444ce527b39f00a4.png 75w, https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s100x200/37750e74d0cbb661899d3f99dd35ab1502ec7e7e.png 100w, https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s250x400/a7a220df723de4e3f1100cd7e7f78dad2432df86.png 250w, https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s400x600/c98ea22785f454db73bfb62db6c0ec0cd59fa89b.png 400w, https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s500x750/c0892436feaafa26200673d9be5c702a5216ead8.png 500w, https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s540x810/9dc0865408f217e0f2b99ec7c1cf37bc8926675d.png 540w, https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s640x960/64f342ab709f28f37dc3aa66929456b1ecba283f.png 640w, https://64.media.tumblr.com/bbefc8654390a1b335446c613bfea9d9/45fb46de4dd4e216-91/s1280x1920/a76f6902e05b75a9258d72ed52c2c19dbadb9f20.png 1080w" sizes="(max-width: 1080px) 100vw, 1080px" alt="image"></a></figure></div></div><p>PCB of the day! Add oodles of analog inputs with an 8-channel ADC 🔌📊🔧</p><p>Many microcontrollers have ADCs these days for reading analog/resistive sensors like potentiometers, thermistors, LDR light sensors, etc., but sometimes you need MOAR! or maybe you’re using a single board computer like a Raspberry Pi that has no ADCs at all…the ADS7830 is an affordable 8-channel ADC with I2C interface, so it’s easy to include with any platform. There are 2 address pins, so you could have 4 x 8 = 32 total ADC channels with chain-able Stemma QT cables. You can get up to 70 Ksamples per second, but only 8-bits of resolution, so it’s suitable for rough sensor measurements. This would be a great way to add a ton of potentiometers to a build, especially if it contained a Raspberry Pi, prototype coming soon!</p><p><a href="https://www.digikey.com/short/5t1w37hb">https://www.digikey.com/short/5t1w37hb</a></p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcb">pcb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensource">opensource</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensourcehardware">opensourcehardware</a> <a class="meta-item tag-link p-category" 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p-category" href="https://adafruit.tumblr.com/tagged/70ksamples">70ksamples</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/potentiometerbuild">potentiometerbuild</a> </section> </section> <section class="panel"> <footer class="post-footer"> <section class="panel"> <section class="inline-meta date-notes"> <div class="date-note-wrapper"> <span> <a href="https://adafruit.tumblr.com/post/728388638495440896/pcb-of-the-day-add-oodles-of-analog-inputs-with#notes" class="meta-item post-notes">16 notes</a> </span> <a href="https://adafruit.tumblr.com/post/728388638495440896/pcb-of-the-day-add-oodles-of-analog-inputs-with" title="1 year ago" class="meta-item post-date">Sep 13th, 2023</a><time class="dt-published" datetime="2023-09-13 18:52:16"></time> </div> </section> <section class="post-controls"> <div class="controls-wrapper"> <div class="control share-control"> <nav class="pop"> <a href="#" class="share selector"></a> <div class="pop-menu share-menu 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class="post-content"> <div class="body-text e-content"><div class="npf_row"><div class="npf_col"><figure class="tmblr-full"><a class="post_media_photo_anchor" data-big-photo="https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s1280x1920/b79132937b6e6349d93a5893107f20318a982539.png" data-big-photo-height="1080" data-big-photo-width="1080"><img class="post_media_photo image" src="https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s1280x1920/b79132937b6e6349d93a5893107f20318a982539.png" srcset="https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s75x75_c1/4b0fae00b856ea688b3426846fa50e61d7a8ad0c.png 75w, https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s100x200/fa2fa266521dbc6ac0dabf069fcdb42619d46eb4.png 100w, https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s250x400/e3eb708eae4761f17754d256dd733bf293ea1937.png 250w, https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s400x600/bca3761d64ad8202245408068a2df37ec9f0d25e.png 400w, https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s500x750/f9cec15a9761c129e6b1f9ae91ec7d63fd3914b6.png 500w, https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s540x810/6fac42c00ace29264930842270fef207160e68ee.png 540w, https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s640x960/e8884388959065970cc1ed60779947a3eeb1efdd.png 640w, https://64.media.tumblr.com/23c0e19d61a22909ab9729848f84759f/6a9c966d46ec4bfc-4a/s1280x1920/b79132937b6e6349d93a5893107f20318a982539.png 1080w" sizes="(max-width: 1080px) 100vw, 1080px" alt="image"></a></figure></div></div><p>PCB of the Day! The VCNL4200 has long-ranging vision 🔍🤖🛠️</p><p>The VCNL4200 proximity sensor <a href="https://www.digikey.com/en/products/detail/vishay-semiconductor-opto-division/VCNL4200/7394601">https://www.digikey.com/en/products/detail/vishay-semiconductor-opto-division/VCNL4200/7394601 </a>, which we found on last weeks The Great Search — </p><figure class="tmblr-embed tmblr-full"><iframe id="embed-67df150c22b7d125663361" class="embed_iframe" src="https://safe.txmblr.com/svc/embed/inline/https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DxZBgRGVrHO0#embed-67df150c22b7d125663361-partied" width="700" height="393" scrolling="no" frameborder="0" allowfullscreen="allowfullscreen" mozallowfullscreen="" webkitallowfullscreen=""></iframe></figure><p>can detect motion up to 1.5 meters away, and has an I2C interface that makes it an excellent match for a Stemma QT board prototype. Which is what we’ve got here! Note the IR LED requires an external P FET to drive it!</p></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcb">pcb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensource">opensource</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensourcehardware">opensourcehardware</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcboftheday">pcboftheday</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/VCNL4200">VCNL4200</a> <a class="meta-item tag-link p-category" 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https://64.media.tumblr.com/f06516a88a35451d7497b3800c70ea4d/a944d3e7b0b6a73c-66/s400x600/b4aede115d8fe2032fc101ab39b45d097b61198f.jpg 400w, https://64.media.tumblr.com/f06516a88a35451d7497b3800c70ea4d/a944d3e7b0b6a73c-66/s500x750/bcb1cbf0107e6b0ebb2c7dfd442d01f9c38d2131.jpg 500w, https://64.media.tumblr.com/f06516a88a35451d7497b3800c70ea4d/a944d3e7b0b6a73c-66/s540x810/ae3cdac71c35cfc6958fa8860d0f55d962a78e0a.jpg 540w, https://64.media.tumblr.com/f06516a88a35451d7497b3800c70ea4d/a944d3e7b0b6a73c-66/s640x960/07f3b7f5c3267f4d5cdd62702c672d35ba4a143d.jpg 640w, https://64.media.tumblr.com/f06516a88a35451d7497b3800c70ea4d/a944d3e7b0b6a73c-66/s1280x1920/5c13e54bc621fde2c1afe555c68b33f47ce904c7.jpg 1080w" sizes="(max-width: 1080px) 100vw, 1080px" alt="image"></a></figure></div></div><p>PCB of the Day! TSL2591 High Dynamic Range Digital Light Sensor - STEMMA QT 💡🔧🌟</p><p>When the future is dazzlingly bright, this ultra-high-range luminosity sensor will help you measure it. The TSL2591 luminosity sensor is an advanced digital light sensor ideal for use in various light situations. Compared to low-cost CdS cells, this sensor is more precise, allowing for exact lux calculations, and can be configured for different gain/timing ranges to detect light ranges from 188 uLux up to 88,000 Lux on the fly. The best part of this sensor is that it contains both infrared and full-spectrum diodes! That means you can separately measure infrared, full-spectrum, or human-visible light.</p><div class="npf-link-block has-poster"><a target="_blank" href="https://www.adafruit.com/product/1980"><div class="poster" style="background-image:url(https://64.media.tumblr.com/1bb7b959be556e64adc42399ff556f33/a944d3e7b0b6a73c-4e/s500x750/39463f3ed802d5cc26c1c86235015fc69be3d54f.jpg)"><div class="title">Adafruit TSL2591 High Dynamic Range Digital Light Sensor</div></div><div class="bottom"><div class="description"> When the future is dazzlingly-bright, this ultra-high-range luminosity sensor will help you measure it. The TSL2591 luminosity sensor is an </div><div class="site-name"> adafruit.com </div></div></a></div></div> </div> <section class="inline-meta post-extra"> </section> <section class="inline-meta post-extra has-tags"> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/adafruit">adafruit</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/electronics">electronics</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcb">pcb</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensource">opensource</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/opensourcehardware">opensourcehardware</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/pcboftheday">pcboftheday</a> <a class="meta-item tag-link p-category" href="https://adafruit.tumblr.com/tagged/tsl2591">tsl2591</a> <a class="meta-item 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class="tmblr-full"><a class="post_media_photo_anchor" data-big-photo="https://64.media.tumblr.com/43dbab0e15f4e01ba06cfa8d56e91a42/cbb74548f7086d93-d7/s1280x1920/748dfcd357fdc10e2a12466c04eb61992501da1f.gifv" data-big-photo-height="304" data-big-photo-width="540"><img class="post_media_photo image" src="https://64.media.tumblr.com/43dbab0e15f4e01ba06cfa8d56e91a42/cbb74548f7086d93-d7/s540x810/9a2beb6e27573bb785a78b8b7f28280d1f1a4f35.gifv" srcset="https://64.media.tumblr.com/43dbab0e15f4e01ba06cfa8d56e91a42/cbb74548f7086d93-d7/s75x75_c1/9deaad50d0af70b4d013f25f8224f7bf77dfef44.gifv 75w, https://64.media.tumblr.com/43dbab0e15f4e01ba06cfa8d56e91a42/cbb74548f7086d93-d7/s100x200/c534956c2910cd017cff6d509bf66c38fc877a99.gifv 100w, https://64.media.tumblr.com/43dbab0e15f4e01ba06cfa8d56e91a42/cbb74548f7086d93-d7/s250x400/6277a104b660ada6b759a362113f14d10683c79a.gifv 250w, https://64.media.tumblr.com/43dbab0e15f4e01ba06cfa8d56e91a42/cbb74548f7086d93-d7/s400x600/b28dbc9987dd582b3261e3ff21fde6cd0c463e0d.gifv 400w, https://64.media.tumblr.com/43dbab0e15f4e01ba06cfa8d56e91a42/cbb74548f7086d93-d7/s500x750/49e732c8e69085118cd447242ff83bd55f21435b.gifv 500w, https://64.media.tumblr.com/43dbab0e15f4e01ba06cfa8d56e91a42/cbb74548f7086d93-d7/s540x810/9a2beb6e27573bb785a78b8b7f28280d1f1a4f35.gifv 540w" sizes="(max-width: 540px) 100vw, 540px" alt="image"></a></figure></div></div><p>Johnny Mnemonic (1995)</p> </div> </div> </div> </div> </div> <section class="inline-meta post-extra has-reblog"> </section> </section> <section class="panel"> <footer class="post-footer"> <section class="panel"> <section class="inline-meta date-notes"> <div class="date-note-wrapper"> <a href="https://www.tumblr.com/oldguydoesstuff/763081577744007169?is_liked_post=1#notes" class="meta-item post-notes" target="_blank">3,390 notes</a> </div> </section> <section class="post-controls"> <div 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adafruit (Posts tagged pcb)