Colored lights bouncing to the music and low pass/band pass filter effects are a must have for any party. Now you can bring the party to your Trellis M4 with the Audio Visualizer and Filter!
Protect against intruders by building a security system for a cardboard smart home using Adafruit IO.
Use a 60 NeoPixel ring and Feather M0 to build this stylish clock with options for music, BLE, infrared, and touch controls.
Make a nightlight with just a Gemma M0 and CircuitPython! Or use a Circuit Playground Express for a super-featured version.