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You are here: Home / Replies / i change the display and now

i change the display and now

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Microcontroller › 8051 › problem with the counter up down › i change the display and now

May 30, 2013 at 3:01 am #9865
isaac ang
Participant

i change the display and now all four is displaying 9999

but when i try to press the up or down switch it won’t respond 

after a short time the display just goes off by itself

 

btw i used keil to create the hex file

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