Reading RFID tags
From Mech
Original Assignment
Interface your PIC with an RFID reader (see here) and demonstrate recognition of various RFID tags.
Overview
Circuit
Code
#include <18f4520.h> #fuses HS,NOLVP,NOWDT,NOPROTECT #use delay(clock=40000000) // 40 MHz crystal on PCB #use rs232(baud=2400, UART1) // hardware UART; uses RC6/TX and RC7/RX
int16 i; char value[12]; void main() { for (i=0; i<12; i++) { //read in the 12 values value[i]=getc(); } printf("rfid# %c %c %c %c %c %c %c %c %c %c \r\n", value[1] value[2] value[3] value[4] value[5] value[6] value[7] value[8] value[9] value[10]); // \r is carriage return, \n is scroll up //display 10 unique id digits }