A festive sketch for the Adafruit Circuit Playground Classic, with coloured lights and optional music. No additional hardware required.

Real-time YouTube Subscriber Count

Implement launchpad using android phone as external speaker

Bare-metal implementation of WS2812 LED strip using DMA and PWM for STM32F446RE. Tested with 1 meter strip.

ESP32 Led Strip Animations

Build of ESP-HomeKit to control WS2812 LEDs via I2S

A Raspberry Pi Pico WS2812 NeoPixel driver written entirely in C.

ATtiny85 based custom PCB & software for driving NeoPixels with Christmas ornament application.

Example code for using AVR64DD32 with neopixels

Really basic attempt to replicate Arduino functions inside MounRiver

Rotary Encoder with NeoPixels and USB Interface

NeoPixels! but easier. Beginner friendly functions to control Adafruit NeoPixels, using as simple syntax as possible.