Arduino Uno Mega 16u2 Pinout Nico edited this page on Jan 29, 2019 · 4 revisions (c) pighixxx Note: Some pins are not connected on a standard Arduino Uno R3 but still listed so you can use them if you ...

Remove the chip and insert it into your circuit board’s IC socket Ready, Set and GO! Note: Pin D9 on the Arduino is not the same pin 9 on the ATmega328 IC. Pin 15 on the IC is actually the pin for ...