Serial.println();
if ( ! mfrc522.PICC_ReadCardSerial()) return; rc522 proteus library top
void setup() Serial.begin(9600); // Virtual Terminal in Proteus SPI.begin(); mfrc522.PCD_Init(); Serial.println("Proteus RC522 Simulator Ready"); Serial
void loop() // Check for new cards if ( ! mfrc522.PICC_IsNewCardPresent()) return; if ( ! mfrc522.PICC_ReadCardSerial()) return
This is where (specifically Proteus Design Suite 8 Professional and later versions) shines. By simulating the RC522 within Proteus VSM (Virtual System Modelling), you can test your code, debug SPI/I2C communication, and validate your antenna matching—all without touching real solder.
// Halt PICC mfrc522.PICC_HaltA();