555 timer + 4017 leds
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Uploader Comments (bilygiat)
All Comments (16)
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hehe true! kitt
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Sorry to say but no, A decade counter counts frequency information discretely by decades.
If you are familiar with the term octave (a range of frequencies where the highest frequency is double the lowest), a decade is a range where the highest is 10 times the lowest.
Oh, your comment was 11 months ago.
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OMG! i was just gonna say that!
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uuuh... does anybody else think of knight rider now?
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Oops! Yup! My mistake. I counted on my fingers but gave up after three. :oD
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Decade counter. Decade = 10 it has 10 channels.
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The circuit is simple enough to build. The chip is a LM4017 decade counter. There are eight channels that this chip can output, one of them being the reset pin (to make it loop). Fitting two LED's per output is all it takes to do this. Search for DECADE COUNTER on a circuits forum and you'll find it. It is as common as a 555 chip and costs pence/cents.
Unless you have already built one by now? I've made dozens of these. Approx 10 components to make the whole thing do whats in this video.
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i go to allelectronics website just put a .com at the end
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Looks like the thing that all the starfleet ships have in star trek under the viewscreen! awesome!
Chewytube1 2 years ago
yeah~~
bilygiat 2 years ago
Where i can get the 4017 ??? im looking on internet but i can't find a place to buy it!!! can someone help!!! please!!!
carlossabates 4 years ago
which country u from???
bilygiat 4 years ago