PIC-EEPROM
In this project i use the internel EEPROM of the PIC for store the value of the password protected counter.the data can not be lost after the power lost.
press (*) then put the password then press (*) again and use (1) to incement or (2) to decrement or (0) to clear the value of the counter.
press (#) to save and exit.
the passwotd is: 1234
program in PIC C:
pic-eeprom.zip