Up down counter using 8051 microcontroller (AT89C51)

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This topic has 1 reply, 2 voices, and was last updated 10 years, 4 months ago by Ashutosh Bhatt.

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December 30, 2015 at 9:29 am #4181

sooraj
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I havebuild Up down counter using 8051 microcontroller (AT89C51)

But when I press up button numbers are increased in big deferance. Eg: 0000, 00023

Not increasing one by one

Anyone please help

January 2, 2016 at 11:30 am #13613

Ashutosh Bhatt
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use key debounce delay of around 200 ms when key is pressed
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