Double-click the RC522 in Proteus. In the new dialog, you will see:
: SPI simulations require significant processing power. Avoid running other heavy programs in the background, or adjust the "Simulation Time Step" under the Proteus System settings. rc522 proteus library updated
No simulation is perfect. Even the version has constraints: Double-click the RC522 in Proteus
Search for "RC522" and "Arduino Uno" in the Proteus component picker ( P ), place them on the workspace, and connect them using the standard SPI pinout: Arduino Uno Pin Description 3.3V (or Power Rail) Power supply RST GND MISO Master In Slave Out (SPI) MOSI Master Out Slave In (SPI) SCK Serial Clock (SPI) SDA (SS) Slave Select / Chip Select (SPI) Simulating the RFID Tag Input place them on the workspace