Polka Dot Electro-Swing Dress with NeoPixels

Light up the joint with this retro rockabilly inspired polka dot dress project. Animated lights swing along with you on the dance floor. You'll be the most, coast to coast!

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Pico Bootloader Retro Console

Turn your RP2350 board into a retro console — an on-screen boot menu that flashes and launches emulators and Doom straight from the SD card. Works for any RP2350 app you make bootable.

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Voicebox FX

A simple voice recorder that allows you to apply effects.

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Moon Flight Tracker

Build a flight tracker that tells you when a plane is about to cross the moon

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Sampling Keyboard with Fruit Jam

The Fruit Jam is paired with a USB MIDI keyboard, and I2S microphone. Record a sample, then press notes on the keyboard to hear the sample played with a pitch shifted up or down. Use the MIDI file playback to play through a full song automatically.

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Demofruit: Demoscene for Fruit Jam

Run iconic demoscene code on the RP2350-based Fruit Jam. HDMI output to your TV, monitor, or projector, all while listening to rad tracker music MOD files.

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Light Up Bubble Wand with WLED

Make a 3d printed glowing bubble wand and light up the night with beautifully illuminated bubbles. Control the colors and brightness with your smart phone using the free, open-source WLED software.

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Pick the Perfect Plant: Battery-Powered Sun Tracking

Build a battery-powered garden light logger to easily discover the perfect planting spot in your yard. By connecting an Adafruit ESP32-S2 Feather to a highly accurate VEML7700 lux sensor via a plug-and-play STEMMA QT cable, you can continuously measure sunlight intensity without any soldering. The entire system runs on a LiPo battery, utilizes deep sleep code to dramatically extend battery life, streams data directly to an Adafruit IO dashboard, and sits safely inside a standard clear Rubbermaid food container for an instant, weather-resistant enclosure.

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CircuitPython Chiptune Player

You can listen to your favorite chiptune music with CircuitPython! In this project, you'll build a smol arcade cabinet that houses a Feather RP2350, I2S DAC and TFT FeatherWing. The Feather runs CircuitPython code that uses the synthio module to emulate the AY-3-8910, a 3-voice programmable sound generator that was used in a lot of arcade video games.

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Make Beautiful Fritzing Parts with kicad2fritzing

The eagle2fritzing tool helps to streamline converting your PCBs designed in Eagle to Fritzing parts for folks to create circuit diagrams. But what if you use KiCad? The kicad2fritzing tool is based on the eagle2fritzing workflow, with the biggest difference being that kicad2fritzing is Python only, meaning no executables to compile. Everything can run from the cloned repository in the command line.

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Glowing Fireplace Insert with Edge-Lit Acrylic and WLED

Transform an unused fireplace into a glowing Art Nouveau centerpiece using laser-cut acrylic, edge lighting, WLED, and real wood logs.

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I2S Microphones with CircuitPython

A trio of examples that demonstrate the new I2S microphone capabilities added to CircuitPython version 10.3.0-alpha.3. A simply record to file example, audio reactive NeoPixels, and a USB voice changing microphone.

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USB Morse Code Key with CircuitPython

Use a Morse code key as input to a CircuitPython device. Generate tones with synthio when the key is pressed. Send audio to computers or other digital audio equipment via USB. Built-in buttons on the playground can be used as hotkeys for preloaded messages.

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Adafruit ADS7128 8-Channel ADC and GPIO Expander

The Adafruit ADS7128 8-Channel ADC and GPIO Expander is a bit of a Platypus of the I2C expander world: hard to categorize as just an ADC or a GPIO expander since it combines the capabilities of both! Featuring the aforementioned ADS7128, it can run on 3.3 or 5V logic and power, and all 8 I/O pins can individually configured to perform either 12-bit SAR analog input, push-pull or open drain digital output, or digital input.

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Minecraft GPS Compass

This compass saves and loads waypoints on a battery powered LCD display

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WLED 16: What's New

Explore some of the new exciting features in WLED 16. This new version is more than just a simple upgrade. It turns WLED into an LED animation engine you can harness with minimal to no coding.

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Video Feedback with Raspberry Pi

With only a Raspberry Pi, a USB webcam, and an HDMI monitor you can experiment with video feedback synthesis. Infinitely repeating, tunnel-like effects, and lots of colorful results are possible. The preview and control page included in the project makes it a breeze to get started experimenting.

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Prop It Game

A 3D printed handheld gaming device inspired by the iconic game: Pop It. Powered by Feather RP2040 PropMaker and CircuitPython.

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Dragon Kite Poi with Animated Lights and WLED

Celebrate the night with giant Dragon Kite Poi that have animated seed pixel lights on their tails, and glowing eyes in their heads. WLED and the Mini Sparkle Motion board make this project easy and fun with stellar results.

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Cluetooth Scanner

Scan the air for Bluetooth Low Energy (BLE) devices with this CircuitPython project running on the Adafruit CLUE.

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Use Blinka in Ubuntu Core on Raspberry Pi

Learn about Ubuntu Core OS and how to get the Adafruit Blinka library working inside of it. Build your own Snap files and deploy them to a Raspberry Pi. See an example of an auto-launching environmental sensor dashboard.

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LLM Agent Embodiment Kit

This sidecar device lets an LLM agent sense temperature, sound, light, and motion. It also gives the agent 4 ways to output into the environment: NeoPixels, piezo buzzer, haptic vibration, and a display to show faces, text. All outputs are tied to feedback mechanisms that allow confirmation of their effect. The Feather built-in buttons can be used to prompt the user with up to 3 choices.

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Leverless Controller

So called "leverless" controllers are popular among fighting game enthusiasts for their speed and accuracy compared to traditional lever-style joysticks. Build your own with the QT Py RP2040 and GP2040-CE firmware.

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SD card Optimization with CircuitPython

A practical guide to SD card optimization with CircuitPython. Covers USB Mass Storage passthrough trade-offs, FAT16 vs FAT32 formatting, card size selection, write patterns, SPI vs SDIO, and host OS scanning — with benchmark data to back up every recommendation.

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BLE Beacon NeoPixels

Build wearable mouse ears that light up in response to the same BLE broadcasts at the Disney parks!

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Sensor-Locked Secrets with CircuitPython

Scramble some text or an image so that it can only be revealed under the specified conditions. Many kinds of sensors can be used, a light, temperature, or humidity sensors would reveal the message when light or temperature are just right. A GPS module can be used to make a digital reverse geo-cache puzzle that unscrambles at a specific location.

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Starlight Groove Tutu – Sound-Reactive LED Skirt

Create the Starlight Groove Tutu, a beginner-friendly, sound-reactive LED skirt that sparkles and pulses to music using colorful star pixels—perfect for festivals, performances, or kids’ costumes.

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No-Code Seedling Frost Alert Device with Adafruit IO and WipperSnapper

Don't lose seedlings to an overnight frost, protect them by building a frost alert device! This project uses a QT Py ESP32-S3 and Adafruit IO to ambiently glows blue when it is predicted to freeze overnight. When it glows blue, it's time to take the seedlings in overnight. Additionally, it will also send out a text message to your phone - reminding you to take in your seedlings overnight.

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PICO-8 Fruit Jam Reality Console

Run wili8jam on Fruit Jam for a lovely tiny computing and gaming experience. This port, by freewili, puts PICO-8 cartridge running, code editing, and a REPL right on your Fruit Jam, just add monitor, keyboard, and gamepad.

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iNTERCEPT + SDR for Signal Monitoring on Raspberry Pi

A Linux computer along with a USB SDR device can pick up several interesting kinds of radio signals. However, wrangling all of the software and libraries necessary to receive and decode signals is quite a chore. iNTERCEPT is an easy to install signals monitoring system with a UI resembling something you'd see on a screen in the background of a spy movie.

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