Interfacing keypad with 8051(AT89C51) c code + proteus simulation | Saeed's Blog

This post provides the keypad interfacing code ( using c language ) for 8051 micro-controller ( e-g for AT89C51 or AT89C52 etc ). This code is written in such a way that, when we press any key on the keypad then that value is displayed on the LCD. The cod

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