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I am trying to create a circuit in Logisim that can count upwards using the 7-segment display as the output. It needs to run using a clock, and automatically count from 0 to 9 and then back to 0 again, in a continuous loop. I don't know where to start on this and I was wondering if anyone has any tips? Thanks in advance.

user2988960
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  • Please post what you've tried – Tom Swifty Nov 13 '13 at 18:35
  • All I've done so far is create each number individually on the 7 segment display. I know which segments need to be lit up for each number, but no idea how to make it count from 0 to 9 automatically. – user2988960 Nov 13 '13 at 19:02

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Use ROM, along with a binary to BCD converter. Look up the double dabble algorithm- useful for your purpose.

Fraser Price
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