I'm new in Arduino programming and I need help. My project is about turning on a number of relays with one Arduino Mega, and two Nanos. An android app (made with app inventor) will send data to my Arduino Mega. This is the first question:
I'm new in Arduino programming and I need help. My project is about turning on a number of relays with one Arduino Mega, and two Nanos. An android app (made with app inventor) will send data to my Arduino Mega. This is the first question: