private static void TestRfidController() { var device = new RFIDControllerMfrc522(); while (true) { // If a card is found if (device.DetectCard() == RFIDControllerMfrc522.Status.AllOk) { "Card detected".Info(); } // Get the UID of the card var uidResponse = device.ReadCardUniqueId(); // If we have the UID, continue if (uidResponse.Status == RFIDControllerMfrc522.Status.AllOk) { var cardUid = uidResponse.Data; // Print UID $"Card UID: {cardUid[0]},{cardUid[1]},{cardUid[2]},{cardUid[3]}".Info(); // Select the scanned tag device.SelectCardUniqueId(cardUid); // Check if authenticated if (device.AuthenticateCard1A(RFIDControllerMfrc522.DefaultAuthKey, cardUid) == RFIDControllerMfrc522.Status.AllOk) { device.ReadRegister(RFIDControllerMfrc522.Register.Status2Reg); device.ClearCardSelection(); } else { "Authentication error".Error(); } } } }