The HW is based on Microchip PIC12F617 alt 12F683 series and is already defined. The schematics and if you wish the actual HW will be supplied to the winner of the project so that the code can be verified at both sides before closing it.
The reader shall read EM4102 cards that contain 64 bit of raw data, including data header for synchronisation and row and column parity bits.
The unit shall through emulated uart transmit the read card number in clear text @ 9600 n 8 1
The code must be written in CCS C 4.1.x - [url removed, login to view]