Microcontroller › 8051 › Regarding RFID based toll plaza system › Hi,Refer this for interface
October 5, 2015 at 4:39 am #13353
Prabakaran P M
Refer this for interface help – http://www.engineersgarage.com/microcontroller/8051projects/interface-rfid-AT89C51-circuit
You can buy RFID modules which are readily available in market which will come with Serial interface.
All RFID modules with Serial output are compatible with 8051