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yeah all the three in the same project. i run one code at a time. and the up down counter involves two switches one will increment the count, and the other will decrement it.
i have a couple of questions which need to be done in 2 hours. they are:
1) Write a program which Displays “47”, i.e. “4"on Digit 1 and “7” on Digit 2. Hint: the 4 and 7 only appear to display simultaneously -they are multiplexed (4, then 7, then 4,...).
2) Make an LED chaser. Turn on Digit 1...
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