I modified the Adafruit sample code. I removed the random pixel animation I added code for using a button press to cycle through the colors instead of a timer (R,G,B). I also added code for using a ...
This code generates 1 MHz Square Wave for 16 MHz Arduino UNO's. 12th pin is the output pin. This signal has some ringing effect because I didn't adjust the right empedance of the GPIO and there isn't ...