"Hi, Would need help with a code for Arduino Uno. It will be placed on a machine, so it needs to be reliable (I just can't get it right. I think it's easy for someone who knows. My Arduino should control 4 relays with buttons. When I press button 1, the following should happen: Relay 1 (close gr…

Aurdino uno r3 to 5v relay

runaway_pancake February 12, 2024, 3:07pm 2

It all begins with digitalRead, followed closely by digitalWrite.

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