ESP32: read RFID tags with the RC522
Wire the $3 MFRC522 RFID reader to an ESP32 over SPI and build the tap-to-unlock pattern: card UID list, relay output, event logging.
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Wire the $3 MFRC522 RFID reader to an ESP32 over SPI and build the tap-to-unlock pattern: card UID list, relay output, event logging.