Run the simulation. When you click on the tag icon, the library triggers a and the Arduino reads the UID in real-time—exactly like hardware.
The version is an essential tool for any embedded engineer working on NFC, access control, or payment systems. It eliminates the guesswork of "will my SPI code work on real hardware?" by providing a cycle-accurate, register-level simulation of the MFRC522 chip. rc522 proteus library updated