Clock Matrix with Raspberry Pi Zero and 4x1 Dot matrix (MAX7219) I wanted to use some hardware I had lying around to build a simple clock that I could keep in my room with a webcam I could position to ...
XDA Developers on MSN
I built a cheap music-controlled RGB LED strip with ESP32 and it's better than any store-bought one
Smaller budget. No app or cloud.
* send() is called automatically at startup, and then there are a number of * support functions available to control the LEDs in the 8x8 grid. #define XOR_7219(X,Y) do{ led_line[LED_IND(X,Y)] ^= ...
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