micro c for 4x4 keypad

[Monetary Monetary]

hey guys i how do i write a program to enter password to activate system for pic16f84 or 16f877 using micro c.

 

[adi0803199]

You need to interface a keypad.Write a code for doing that and write a code to check the typed code with the password required.You can simulate this in Proteus ISIS.The code is pretty simple if you think.