esp32 & esp8266
M5Stack Core Matrix: ESP32 Board With a 16×16 LED Grid
M5Stack's Core Matrix packs a 16x16 LED grid, ESP32-C61, IMU and Wi-Fi 6 into one board. See the specs and three classroom-ready project ideas.
diy projects
Digital Candle: ESP32-S3 and a 3,545-Parameter AI Flame
A tiny neural network on an ESP32-S3 paints a never-repeating flame across 144 amber LEDs. See how it works and how to try a…
diy projects
Nipkow Drum 3D Display: 1884 TV Tech Meets Fast LED Matrix Panels
A spinning drum with a spiral of holes plus 22,500 fps LED panels gives glasses-free 3D. Here's how James Brown's Nipkow display works and…
sensors & modules
Adafruit’s 128×64 RGB LED Matrix With Eye-Catching 2mm Pitch
A 128x64 RGB LED matrix with 2mm pitch and 8,192 pixels - great for video walls, dashboards, and dazzling builds with the right driver…
3d printing
Build a 3D-Printed Tetris LED Matrix with Feather RP2040 PropMaker
Play Tetris on a 3D-printed 9x13 NeoPixel matrix powered by an Adafruit Feather RP2040 PropMaker and a STEMMA QT gamepad. Portable retro fun.