This project implements RFID Card/Tag Reader with MFRC522. It connects to a host PC through an optional RS485 or RS232 port. Firmware is coded using Microchip MPLAB IDE and XC8 Compiler. Host PC User Interface is coded using C# Windows Form Application. Host app configures the board and read/write tag/card serials.
- RS232 or RS485 Communication
- +9 … +24V DC Power Input
- Onboard Switching Power Supply
Main Board: Please beware that RS485 and RS232 chips are not to be installed together. Choose one!
Antenna Board: Please beware that you need to install only one (1) XTALL on the antenna board, either Y1 or Y2. Which package you have.