Hi, I am trying to make an the uno read from two RFID readers at the same time. Whilst it is possible with using the code I have, I have managed to make it read one at a time, due to the power (I think) When I put a pin from 5V to one it works, and then to the next it works - but when I try to run …

Using UNO and 2 RFID Readers

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