Adafruit Learning System

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class="fa fa-search"></i> </div> </div> </div> </nav> </div> </header> <turbo-frame id="flash"></turbo-frame> <main id="main-content"> <div id="main-content-container" tabindex="-1"> <div class="toolbar-primary "> <div class="content"> <div class="left-content"> <div class="breadcrumbs" aria-label="Breadcrumbs"> <a href="https://learn.adafruit.com/"><i class='fa fa-home' role='img' title="Learn home"></i></a> <i class="fa fa-chevron-right separator"></i> <a href="/u/kattni">kattni</a> </div> </div> <div class="right-content"> </div> </div> </div> <article class="right-sidebar-layout"> <header class="sidebar"> <div class="title-bar"> <img alt="Image for user kattni" class="user-image" src="https://secure.gravatar.com/avatar/2fc524e5d0f54ef7ff849461a49225ef?s=100" /> <span> <h1>kattni</h1> <div><a href="/u/kattni">u/kattni</a></div> </span> </div> </header> <section class="main"> <div class="guides"> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/adafruit-metro-m7-microsd"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/876/medium640/M7SD_top_angle.jpg?1693932736" aria-hidden="true" alt="Adafruit Metro M7 with microSD, top angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/adafruit-metro-m7-microsd"> Adafruit Metro M7 with microSD </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> Presenting the Adafruit Metro M7 with microSD! An NXP iMX RT1011 microcontroller powers this board with a 500 MHz ARM Cortex M7 processor, 8 MB of execute-in-place QSPI for firmware + disk storage and 128KB of SRAM in-chip, and a micro SDcard slot wired up right on board so that you can read files or data log easily to removable, wear-leveled storage. </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/eyespi-pi-beret"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/873/medium640/EPB_top_angle.jpg?1693252473" aria-hidden="true" alt="EYESPI Pi Beret top angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/eyespi-pi-beret"> Adafruit EYESPI Pi Beret </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> Raspberry Pi's make for handy li'l computers, but they're really wonderful when you can connect all sorts of nifty hardware to them, and it's even better is when we make it fast and effortless to wire these up. With this new EYESPI Pi Beret there's no more counting pins or noodling with a breakout board. This slim HAT plugs in and gives you lots of hardware connection options so that many projects become plug-and-play. </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/adafruit-metro-esp32-s3"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/865/medium640/MS3F_top_angle.jpg?1692827719" aria-hidden="true" alt="Metro ESP32-S3 microcontroller, top-angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/adafruit-metro-esp32-s3"> Adafruit Metro ESP32-S3 </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> What's Metro-shaped, has an ESP32-S3 WiFi module, a STEMMA QT connector for I2C devices and a Lipoly charger circuit? What has your favorite Espressif WiFi microcontroller and lots of memory for your next IoT project? That's right - it's the new Adafruit Metro ESP32-S3! With native USB and a load of PSRAM, this board is perfect for use with CircuitPython or Arduino to add low-cost WiFi while retaining shield compatibility. </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/adafruit-metro-rp2040"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/856/medium640/MRP_top_angle.jpg?1691003733" aria-hidden="true" alt="Adafruit Metro RP2040 microcontroller board, top angle view." class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/adafruit-metro-rp2040"> Adafruit Metro RP2040 </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> Choo! Choo! This is the RP2040 Metro Line, making all station stops at "Dual Cortex M0+ mountain", "264K RAM round-about" and "16 Megabytes of Flash town". This train is piled high with hardware that complements the Raspberry Pi RP2040 chip to make it an excellent development board for projects that want Arduino-shape-compatibility or just need the extra space and debugging ports. </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/adxl343-adt7410-sensor-featherwing"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/807/medium640/ADXADT_top_angle.jpg?1683913621" aria-hidden="true" alt="Adafruit ADXL343 + ADT7410 Sensor FeatherWing from top angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/adxl343-adt7410-sensor-featherwing"> Adafruit ADXL343 + ADT7410 Sensor FeatherWing </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> Upgrade any Feather board with motion and precision temperature sensing, with this all-in-one sensing FeatherWing. It sports two fantastic sensors from Analog Devices: an ADXL343 triple-axis accelerometer and an ADT7410 precision temperature sensor. </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/swirly-grid"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/841/medium640/SG_top_boards_attached.jpg?1687905196" aria-hidden="true" alt="Swirly grid with a Feather and three STEMMA QT breakouts attached and wired up in series." class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/swirly-grid"> Adafruit Swirly Aluminum Mounting Grid for 0.1" Spaced PCBs </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> The addition of STEMMA QT to Adafruit development boards and breakouts has made it super simple to get a project started, but also means you don't have a breadboard to keep things in place. That's where the Swirly Grid comes in; it is designed to allow you to mount boards and breakouts without soldering. </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/stemma-audio-amp"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/842/medium640/SAA_top_angle.jpg?1687904740" aria-hidden="true" alt="STEMMA audio amp, top angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/stemma-audio-amp"> Adafruit STEMMA Audio Amp </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> This audio amp breakout has a STEMMA connector on one side to make it easy to connect up to your board. Simply connect your speaker to the terminal block, plug in a STEMMA cable, and wire it to your board. Learn about the details here! </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/gamepad-qt"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/836/medium640/GPQT_top_angle.jpg?1687468954" aria-hidden="true" alt="Adafruit Mini I2C STEMMA QT Gamepad with seesaw, top angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/gamepad-qt"> Adafruit Mini I2C STEMMA QT Gamepad with seesaw </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> Make a game or robotic controller for any I2C microcontroller or microcomputer with this tiny gamepad breakout board, with a 2-axis thumb joystick and 6 momentary buttons. With STEMMA QT, you can quickly add a gamepad to any project without soldering. This guide covers all you need to know! </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/i2s-amplifier-bff"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/832/medium640/I2SBFF_top_angle.jpg?1686694290" aria-hidden="true" alt="Adafruit I2S Amplifier BFF top angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/i2s-amplifier-bff"> Adafruit I2S Amplifier BFF </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> This little BFF enables you to easily add an I2S amplifier with a 2-pin PicoBlade speaker connector to your QT Py project without any board-to-board wiring needed! Learn how to connect it up and use it with both CircuitPython and Arduino. </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/trrs-jack-breakout"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/830/medium640/TRRS_top_angle.jpg?1686605980" aria-hidden="true" alt="TRRS jack breakout board top angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/trrs-jack-breakout"> Adafruit TRRS Jack Breakout Board </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> Ring, Ring! Your 3.5mm stereo headphone jack is calling, and this one’s got an extra Ring — for microphones! Even better, this jack is mounted on a breakout board for easy wiring. Learn about this breakout board in this guide! </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/neokey-breakout"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/822/medium640/MX_CHOC_guide_image.jpg?1685730388" aria-hidden="true" alt="MX NeoKey Breakout with MX key switch and CHOC NeoKey breakout with CHOC keyswitch and keycap onboard" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/neokey-breakout"> NeoKey Socket Breakout with NeoPixel for MX and CHOC Key Switches </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> The only thing better than a nice mechanical key, is one that also can glow any color of the rainbow - and that's what the Adafruit NeoKey Breakouts will let you do! These little boards can fit one Cherry MX, Kailh CHOC, or compatible switch, and make it easy to use with a breadboard or perfboard. This guide shows you how! </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/adafruit-feather-rp2040-dvi"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/772/medium640/FRPDVI_top_angle.jpg?1684964632" aria-hidden="true" alt="Feather RP2040 with DVI output port top-down angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/adafruit-feather-rp2040-dvi"> Adafruit Feather RP2040 with DVI Output Port </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> The Adafruit Feather RP2040 with DVI Output port brings DVI (and HDMI!) to the Feather RP2040! You can display images and graphics from a microcontroller directly to an HDMI monitor or television. This guide covers all the details about this board, and includes code examples of how to use it! </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/canary-nightlight"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/808/medium640/hero-guide-B.jpg?1684767410" aria-hidden="true" alt="Photo of the canary nightlight lit up blue" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/canary-nightlight"> Canary Nightlight </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> Wouldn't it be great to have a nightlight that changes color based on the time to help with sleep and waking up? Even better, what if it let you know when your internet is down so you're not wondering? Build your own red and blue canary to put in the outlet by the light switch where it can watch over you! </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/feather-rp2040-rfm95"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/784/medium640/FRPRFM95_top_angle.jpg?1680122866" aria-hidden="true" alt="Adafruit Feather RP2040 RFM95 LoRa radio version from a top-angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/feather-rp2040-rfm95"> Adafruit Feather RP2040 RFM95 </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> The Adafruit Feather RP2040 RFM95 microcontroller boards take the deliciousness of the Feather RP2040 and add the radio goodness of an RFM95. This guide includes technical details about the Feather and covers everything you need to know to get started using it with CircuitPython or Arduino. Time to get transmitting! </div> </div> </div> <div class="guide-detailed-preview"> <div class="image-container"> <a href="/feather-rp2040-rfm69"> <img data-src="https://cdn-learn.adafruit.com/guides/cropped_images/000/003/783/medium640/FRPRFM69_top_angle.jpg?1680122367" aria-hidden="true" alt="Adafruit Feather RP2040 RFM69 packet radio version from a top-angle view" class="image-preview lazy" src="data:," /> </a> </div> <div class="details"> <a class="title" href="/feather-rp2040-rfm69"> Adafruit Feather RP2040 RFM69 </a> <div class="author"> By <a aria-label="Guide author" data-turbo="false" href="/u/kattni"> <span class="name">Kattni Rembor</span> </a> </div> <div class="description"> The Adafruit Feather RP2040 RFM69 microcontroller boards take the deliciousness of the Feather RP2040 and add the radio goodness of an RFM69. This guide includes technical details about the Feather and covers everything you need to know to get started using it with CircuitPython or Arduino. 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