void setup() Serial.begin(9600); // Initialize serial communications with the PC SPI.begin(); // Init SPI bus mfrc522.PCD_Init(); // Init MFRC522 delay(4); // Optional delay. Serial.println("System Ready. Scan a Card...");
: Designed to work seamlessly with standard Arduino IDE libraries, such as the widely used miguelbalboa/rfid library Installation Guide rc522 proteus library updated
: In the component picker (press 'P'), search for "MFRC522" or "RFID" to find the module once installed. void setup() Serial