The 16u2 pinout is the same for Arduino Uno/Mega. Keep in mind that the Leds have inverted logic. Writing LOW means turn them on. 16u2 Pinout [NC] = Not connected on an Arduino Uno/Mega R3 D0 - [NC] ...

Arduino pinout for Arduino Uno. Aspencore network. News & Analytics ... Arduino Mega 2560 Pinout. Arduino Mega ADK Pinout. Arduino Ethernet Pinout. P. Marian. About P. Marian. I love all about ...

I recently upgraded my shapeoko from an Arduino Uno to a mega and I am using a CNC Stepper Shield designed for the Uno. I realized that the pinout wasn't the same with GRBL for both boards. Is there a ...