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10 LED runner

 
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Alan
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Joined: 29 Jan 2006
Posts: 1399
Location: Winnipeg, MB

PostPosted: Sun Apr 30, 2006 4:01 am    Post subject: 10 LED runner Reply with quote

"You need 2 ic-circuits and a few additional components. Timer circuit 555 handles the clock pulse which is given to the 4017 calculator, which in turn turns the LEDs on, one by one, until the 10th LED has lit up and after this, the cycle starts over.

In the bottom corner is a picture showing the pin numbering on ic chips. They all follow the similar pattern."

http://www.metku.net/index.html?sect=view&n=1&path=mods/vilkkuvalot1/index_eng


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