Make a limit using 8051

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wazlie

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how to make limit for the thing that want to get is only two using microcontroller at89c51 with lcd and keypad?
the thing is we need to used the keypad to select the number and with the number, one can get to press the switch that connect with 8051 only 2 times. the limit for the number to get a thing is only 2. so any idea, anyone?
 

Your post doesn't make much sense so explain what you are trying to do in a way that we can understand

Alex
 

we can give ideas and help you. in this limit thing..
but your things are having something missing and we are not able to understand complete thing.
so explain your thing again clearly
 


you maybe need homework solution?
 

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