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  • BloodyK1 commented on Sooncheng's instructable Arduino RFID Reader / MFRC522 Turorial2 years ago
    Arduino RFID Reader / MFRC522 Turorial

    I just Registered to instructables just to thank You for the code and library, and add one line if(access){ // Serial.println("Welcome!"); digitalWrite(power, LOW); delay(500); digitalWrite(power, HIGH); access = false; // This lineBecouse if access is granted some times unregistered ID card unlocked the relay so after granting access it disables it to unable unlocking by other cards

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