Microcontroller › 8051 › Problem in interfacing RFID module with AT89C51, need help ! › Please note that in your
May 24, 2012 at 5:34 pm #7895
Please note that in your RFID module pin1 is the TX pin and it should be connected to pin13 (RX pin) of the max232.
Leave the pin 2 of the module unconnected as it is RX pin.