#include <SPI.h> #include <MFRC522.h>
: Uses the SPI interface (MOSI, MISO, SCK, SS) to communicate with microcontrollers like Arduino. Power Requirements : Operates strictly at . Connecting it to can damage the physical module. rc522 proteus library updated
You need to install the MFRC522 library in your Arduino IDE first ( Sketch > Include Library > Manage Libraries > Search "MFRC522" > Install ). #include <SPI