Hi all! I'm coming back to Arduino and I'm reviewing my first project in where, with a lot of helps from others on the web, I managed to code a program in where 4 temp sensors are read and, depending on the average temp of a certain amounts of readings, 4 relays are opened or closed. Right now i'm…

Help understanding this inputs and outputs

UKHeliBob April 18, 2018, 2:41pm 2

Are the relay pins inputs or outputs ? You seem unsure.

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