Hello Community, I'm totally new to Arduino and the programming. I've build a dog door which I want to open when the dog approaches the door (for ex. 2ft distance), stay open for 10sec and close after. I have 2 HC-SR04 one for the inside and one for the outside. I put together a code from different…

Automatic door with HC-SR04 and L298N Motor driver

Paul_KD7HB May 1, 2018, 3:05am 2

Did you ensure your sensors would not hear each others?

Paul