RDM6300

Wiring

Pins are defined as follows:

• P1 port : 1.TX 2.RX 3.reserve 4.GND 5.VCC
  
• P2 port : Antenna coil
  
• P3 port : 1.LED 2.VCC 3.GND
  

The arduino connection:

• With module :TX to RX ; RX to TX; VCC to 5V; GND to GND
  
• With LCD: RS => pin 12 RW => pin 11 EN => pin 10
  
• D4, D5, D6, D7 => pins 5, 4, 3, 2
  

• Demo code please see at https://github.com/Edragon/Arduino/tree/master/Sketchbook/16-RFID

Documents

• Specification Read it here.
• Arduino playground tutorial