Adafruit Learning System

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open-source electronics prototyping platform based on easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments and is designed to be as flexible as possible to fit your project's needs.</p> </div> <div class="right-content"> </div> </div> </div> </div> <div class="breakdown"> <div> <a class="sub-header-link" href="/category/flora">Adafruit FLORA</a> <a class="sub-header-link" href="/category/gemma">Adafruit GEMMA</a> <a class="sub-header-link" href="/category/adafruit-metro">Adafruit METRO</a> <a class="sub-header-link" href="/category/grand-central">Grand Central</a> <a class="sub-header-link" href="/category/learn-arduino">Learn Arduino</a> <a class="sub-header-link" href="/category/trinket">Trinket</a> </div> </div> </div> <section> <div class="content-card-group">  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/bluetooth-speaker"> <div class="image-container"> <video class="video-preview lazy" preload="auto" muted="muted" loop="loop" playsinline poster="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/210/medium640thumb/guide-spin.gif?1742233394" data-error="/assets/missing%2Fmissing.png" 'aria-hidden'=true> <data-src src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/210/medium640mp4/guide-spin.mp4?1742233394"></data-src> <data-src src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/210/medium640webm/guide-spin.webm?1742233394" type="video/webm; codecs=vp8,vorbis"></data-src> Your browser does not support the video tag. This links to the guide Bluetooth Speaker. </video> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/210/medium640thumb/guide-spin.gif?1742233394" aria-hidden="true" alt="Make a Bluetooth speaker with ESP32 Feather" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/bluetooth-speaker">Bluetooth Speaker</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/pixil3d"> <span class="name">Ruiz Brothers</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 3 </div> <div class="badge skill-level"> Intermediate </div> <div class="badge new"> New </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-pcm510x-i2s-dac"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/204/medium640/6250-00.jpg?1741010233" aria-hidden="true" alt="top angle view of the dac" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-pcm510x-i2s-dac">Adafruit PCM510x I2S DAC</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 1 </div> <div class="badge skill-level"> Beginner </div> <div class="badge new"> New </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/usb-midi-host2host"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/182/medium640/usbmidi-h2h-4079.jpg?1739945129" aria-hidden="true" alt="two small desktop sound computers connected via two qt py microcontrollers" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/usb-midi-host2host">USB MIDI Host2Host</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/johnpark"> <span class="name">John Park</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 1 </div> <div class="badge skill-level"> Beginner </div> <div class="badge new"> New </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-feather-rp2040-with-usb-type-a-host"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/799/medium640/5723-00.jpg?1682342364" aria-hidden="true" alt="top angle view of the usb host feather" class="image-preview lazy" 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href="/adafruit-dac7578-8-x-channel-12-bit-i2c-dac">Adafruit DACx578 - 8 x Channel I2C DAC</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 1 </div> <div class="badge skill-level"> Beginner </div> <div class="badge new"> New </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-1-28-240x240-round-tft-lcd"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/184/medium640/6178-00.jpg?1738962170" aria-hidden="true" alt="top angle view of the display" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-1-28-240x240-round-tft-lcd">Adafruit 1.28" 240x240 Round TFT 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aria-hidden="true" href="/adafruit-feather-rp2350"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/081/medium640/6000-02.jpg?1725912112" aria-hidden="true" alt="top angle view of the feather" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-feather-rp2350">Adafruit Feather RP2350 with HSTX</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 6 </div> <div class="badge skill-level"> Beginner </div> <div class="badge updated"> Updated </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-1-14-240x135-color-newxie-tft-display"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/157/medium640/6113-00.jpg?1734556150" aria-hidden="true" alt="top angle view of the display" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-1-14-240x135-color-newxie-tft-display">Adafruit 1.14" 240x135 Color Newxie TFT Display</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 1 </div> <div class="badge skill-level"> Beginner </div> <div class="badge new"> New </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-a4988-stepper-motor-driver-breakout-board"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/154/medium640/6109-00.jpg?1734115227" aria-hidden="true" alt="top angle view of the breakout" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-a4988-stepper-motor-driver-breakout-board">Adafruit A4988 Stepper Motor Driver Breakout Board</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 2 </div> <div class="badge skill-level"> Beginner </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/intro-to-dmx"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/127/medium640/larscurtaindmx.JPG?1732141082" aria-hidden="true" alt="a freaky stuffed sloth named Lars peeking out from behind curtains with colored lights shining on them and a computer screen in the foreground" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/intro-to-dmx">Intro to DMX</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/johnpark"> <span class="name">John Park</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 7 </div> <div class="badge skill-level"> Beginner </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-vcnl4200-long-distance-ir-proximity-and-light-sensor"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/113/medium640/6064-00.jpg?1729786610" aria-hidden="true" alt="top angle view of the sensor" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-vcnl4200-long-distance-ir-proximity-and-light-sensor">Adafruit VCNL4200 Long Distance IR Proximity and...</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 2 </div> <div class="badge skill-level"> Beginner </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-pixel-shifter"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/122/medium640/6066-00.jpg?1730839694" aria-hidden="true" alt="top angle view of the breakout" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-pixel-shifter">Adafruit Pixel Shifter</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 3 </div> <div class="badge skill-level"> Beginner </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/adafruit-ina3221-breakout"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/108/medium640/6062-00.jpg?1729184243" aria-hidden="true" alt="top angle view of the breakout" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/adafruit-ina3221-breakout">Adafruit INA3221 Breakout</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 5 </div> <div class="badge skill-level"> Beginner </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/ch32v203-eink-epaper-calendar-and-clock"> <div class="image-container"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/107/medium640/edited_P1450430.jpg?1729006400" aria-hidden="true" alt="the calendar and clock project next to a plant" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/ch32v203-eink-epaper-calendar-and-clock">QT Py CH32V203 eInk / ePaper Daily Calendar and Clock</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 12 </div> <div class="badge skill-level"> Intermediate </div> </div> </div> </div> </div> </div>  <div class="guide-preview content-card"> <div class="preview-content"> <a aria-hidden="true" href="/diy-turbo-button-controller-hid-remapper"> <div class="image-container"> <video class="video-preview lazy" preload="auto" muted="muted" loop="loop" playsinline poster="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/101/medium640thumb/controller_visualizer.gif?1728657290" data-error="/assets/missing%2Fmissing.png" 'aria-hidden'=true> <data-src src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/101/medium640mp4/controller_visualizer.mp4?1728657290"></data-src> <data-src src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/101/medium640webm/controller_visualizer.webm?1728657290" type="video/webm; codecs=vp8,vorbis"></data-src> Your browser does 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This links to the guide DIY Turbo Button Controller - HID Remapper. </video> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/004/101/medium640thumb/controller_visualizer.gif?1728657290" aria-hidden="true" alt="the controller next to a gamepad tester. buttons are pressed along with the turbo button combo" class="image-preview lazy" src="data:," /> </div> </a> <div class="bottom-section"> <div class="content"> <a class="title" aria-label="Guide title" href="/diy-turbo-button-controller-hid-remapper">DIY Turbo Button Controller - HID Remapper</a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/BlitzCityDIY"> <span class="name">Liz Clark</span> </a> </div> <div class="badges"> <div class="badge favorites " title="Saves"> 4 </div> <div class="badge skill-level"> Intermediate </div> </div> </div> </div> </div> </div> </div> <div class="pagination"> <ul> <li class="active numbered-page"> <a href="#">1</a> </li> <li class=" numbered-page"> <a rel="next" href="/category/arduino?guide_page=2&total_count=256&total_verbiage=total+series">2</a> </li> <li class=" numbered-page"> <a href="/category/arduino?guide_page=3&total_count=256&total_verbiage=total+series">3</a> </li> <li class=" numbered-page"> <a href="/category/arduino?guide_page=4&total_count=256&total_verbiage=total+series">4</a> </li> <li class=" numbered-page"> <a href="/category/arduino?guide_page=5&total_count=256&total_verbiage=total+series">5</a> </li> <li class=" numbered-page"> <a href="/category/arduino?guide_page=6&total_count=256&total_verbiage=total+series">6</a> </li> <li class=" numbered-page"> <a href="/category/arduino?guide_page=7&total_count=256&total_verbiage=total+series">7</a> </li> <li class=" numbered-page"> <a href="/category/arduino?guide_page=8&total_count=256&total_verbiage=total+series">8</a> </li> <li class=" numbered-page"> <a href="/category/arduino?guide_page=9&total_count=256&total_verbiage=total+series">9</a> </li> <li class=" numbered-page"> <a href="/category/arduino?guide_page=10&total_count=256&total_verbiage=total+series">10</a> </li> <li class="disabled"> <a href="#">…</a> </li> <li> <a rel="next" href="/category/arduino?guide_page=2&total_count=256&total_verbiage=total+series">Next</a> </li> <li class="last-page"> <a href="/category/arduino?guide_page=13&total_count=256&total_verbiage=total+series">Last</a> </li> <li class="guide-count visible-lg visible-md">256 tutorials in group</li> </ul> </div> </section> </div> <div id="search-container"> <div class="toolbar-primary"> <div class="content"> <div class="left-content"> <div class="breadcrumbs"> <a href="https://learn.adafruit.com" aria-label="Home page"><i class='fa fa-home'></i></a> <i class="fa fa-chevron-right separator"></i> Search <i class="fa fa-chevron-right separator"></i> </div> </div> </div> </div> <div class="sub-header"> <div class="header-intro"> <h1 class="title">Search</h1> </div> <div class="header-main-content-wrapper"> <div class="header-main-content"> <div id="search-refinements" class="breakdown"> </div> </div> </div> </div> <div class="search-content left-sidebar-layout"> <div> <div class="facets-wrapper"> <h5 class="search-refinement-header">Categories</h5> <div id="search-categories"></div> </div> </div> <div> <div id="search-results" class="search-content-card-group"></div> <div id="search-pagination" class="pagination"></div> </div> </div> </div> <div id="remote-modal-wrapper"></div> <div id='main-content-overlay'></div> </main> <footer id="adafruit-footer"> <div class="footer-container"> <div class="application-support-link"> <div> <ul> <li> <a href="https://www.adafruit.com/contact_us">Contact Us</a> </li> <li> <a href="https://forums.adafruit.com/">Tech Support Forums</a> </li> <li> <a href="https://www.adafruit.com/faq">FAQs</a> </li> <li> <a href="https://www.adafruit.com/shippinginfo">Shipping & Returns</a> </li> <li> <a href="https://www.adafruit.com/free">Freebies</a> </li> <li> <a href="https://www.adafruit.com/terms_of_service">Terms of Service</a> </li> <li> <a href="https://www.adafruit.com/privacy">Privacy & Legal</a> </li> <li> <a href="https://www.adafruit.com/accessibility">Website Accessibility</a> </li> </ul> </div> <div> <ul> <li> <a href="https://www.adafruit.com/about">About Us</a> </li> <li> <a href="https://www.adafruit.com/press">Press</a> </li> <li> <a href="https://www.adafruit.com/educators">Educators</a> </li> <li> <a href="https://www.adafruit.com/distributors">Distributors</a> </li> <li> <a href="https://jobs.adafruit.com">Jobs</a> </li> <li> <a href="https://www.adafruit.com/category/14">Gift Cards</a> </li> </ul> </div> </div> <aside> <div class="quote">"Don't fight forces, use them"</div> <div class="quote-attribution"><a href="http://en.wikipedia.org/wiki/Buckminster_Fuller">R. 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