Hello everyone, I'm a total noob and have only high school knowledge of electronics. One part of my project is a 4x4 RGB buttons matrix (how original...). Since I only have 6 PWM pins on my UNO and no TLC5940, I can't really mux the matrix (and I only have common cathode RGB LEDs, apparently it's …

Simulate analogWrite(PIN, 0-255) with digitalWrite

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