Hello friends, I hope you all are doing great. Today, I am going to share the new MFRC522 RFID Library for Proteus V1.1 . The MFRC522 is NXP's 13.56 MHz RFID reader chip, and the blue RFID-RC522 board built around it is the first card reader most of us connect to an Arduino. With this MFRC522 Library for Proteus , you place MIFARE cards on the reader with a click, and your Arduino reads their UID and memory over SPI with the same MFRC522 Arduino library you use on real hardware. Updates MFRC522 Library for Proteus Latest version: V1.1 (September 2026, this tutorial) Other RFID / NFC readers: PN532 NFC · EM18 Helping Tools Serial Monitor Advance : a serial terminal window for the UART of your board Serial Monitor Expert : the serial monitor with extra debugging tools LCD Library for Proteus ...