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You can help fund this adorable RP2040 board with an LED matrix

The Nova is a tiny RP2040 board with a 7x10 LED matrix for creative projects. It works with MicroPython and Arduino IDE, offering the potential for various applications. Interested crowdfunders can ...
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This amazing ESP32 project lets you make a box full of "digital marbles" you can shake around

This Cube project uses LED panels for a 3D physics simulation. The creator used ESP32, WS2812b control, and limited external libraries. The source code is available on GitHub, with a possible PCB ...