interfacing a keypad(4*4) with 8051/89c51 microcontroller using assembly language in proteus

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In this tutorial you will learn

1. how to interface a 4*4 keypad with 8051 microcontroller in proteus,
2. simulation of keypad with 89c51 in proteus using assembly language,
3. how to use keypad with 89c51 in proteus using assembly language.

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please tell me how can i make a change for example if i press 4, it doubles it and show 8 on 7seg? please tell me

AhmedAli-bmjt
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Sir I tried the same using MULTISIM with 8051 MCU, but it's not working .

Amaan
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How to download this software???
In this video show

hritiksharma
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