https://forum.arduino.cc/t/seeduino-rainbowduino-problems/40135
Seeduino-Rainbowduino problems - Interfacing - Arduino Forum
Oct 14, 2010 - Please somebody help. I have a Seeeduino Atmega 328 and a Rainbowduino Atmega 328 and a 8x8 RGB LED Matrix but I cannot get them to work. I have tried mTX...
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