Keypad scanning and interfacing with PIC16f877 microcontroller

Here I give you very important and simple project on Keypad / keyboard scanning and interfacing with PIC16f877microcontroller . To start big project you need to know small and┬ánecessary one first. So we start form basic . In my previous post I write on Scrolling Text on LCD by PIC Microcontroller Displaying text on LCD …

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