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8051 Typing Alphabets using 4x4 keypad and 8051 microcontroller 1.0

8051 based mobile keypad simulation for entering alphabets with 4x4 keypad.

  1. sajivjess
    8051 based mobile keypad simulation for entering alphabets with 4x4 keypad. The typed letters are displayed over LCD display.

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    Circuit diagram
    LCDShow.JPG