Hi every one, I'm newbie, i saw video tutorial read multiple RFID at the same time [ - YouTube] and Smart Lock for an Escape Room: Multi RFID Readers System - YouTube but it Reader 0: Firmware Version: 0x0 = (unknown) WARNING: Communication failure, is the MFRC522 properly connected?…

error Multiple RFID

system May 23, 2018, 5:05pm 2

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