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HELP NEEDED: LINKING PIC16F877 TO PIC16F84

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heem4745

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pic16f877 4x3 keypad

Hi guys, I m currently working on an assignment for a burglar alarm... I m planning to use 2 PIC's... PIC16F877 and PIC16F84

my 877 is hooked up to a 4x3 keypad and is password protected.... I wanted to use the PIC16F84 for my circuit breaker and infrared sensor... however, I cant seem to send messages from my PIC16F877 to my PIC16F84...

The thing is i wanted the sensors to activate when i keyed in the correct password.... any ideas would b great.. I m using C language btw
 

Friend, I don't know if it is of this alarm that is to speak, he/she has everything executed in Proteus with PCB just has the problem in the programming, I don't get to simulate appears some characters in LCD, if you can help have a good alarm there.
I have two PCBs the one of the author of the Magazine and my own one.
 

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