Search for "RC522 Proteus Library The Engineering Projects" or use the direct link from their official website. Ensure you download the ZIP file containing:
Close the Proteus software completely and reopen it. This allows the software to index the new library files. rc522 proteus library top
The RC522 is an MFRC522-based 13.56 MHz RFID reader/writer module commonly used with microcontrollers (Arduino, PIC, AVR). "Proteus library top" refers to using a Proteus (Labcenter Proteus) simulation model/component for the RC522 so you can design, simulate, and validate circuits and firmware interactions in a virtual environment. Search for "RC522 Proteus Library The Engineering Projects"