Electircal engineers/Guru's
09-03-2006 | 05:14 AM
#1
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Three Wheelin'
Joined: Jul 2001
Posts: 1,620
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From: Centennial Colorado
Electircal engineers/Guru's
How would i set up a row of LEDs to Light up One after another? SO that one lights then the next, and so on, till they are all lit up?
Thanks
Thanks
09-03-2006 | 03:46 PM
#6
Nerd Herder
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From: Central Illinois. Cornfields a plenty.
Originally Posted by Epic2112
You could hook them up in series with capacitors between them.
Kit.. LMAO.
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09-03-2006 | 04:18 PM
#8
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From: OH/NC
http://www.action-electronics.com/scanner.htm
http://cgi.ebay.com/ws/eBayISAPI.dll...m=330023308111
http://www.knightlight.co.uk/knight-...s-products.asp
If you want to make your own, there's a chip called a 3914, which is an LED meter driver, then you'd have to design a little circuit to ramp the input voltage to it continuously up and down.
http://cgi.ebay.com/ws/eBayISAPI.dll...m=330023308111
http://www.knightlight.co.uk/knight-...s-products.asp
If you want to make your own, there's a chip called a 3914, which is an LED meter driver, then you'd have to design a little circuit to ramp the input voltage to it continuously up and down.
09-03-2006 | 06:18 PM
#9
Addict
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From: Silver Spring, MD
Originally Posted by Chris_924s
How's about aan IC555 timer.. faster, easier. What kind of time delay duration do you need between the 1st and second to the last LED?
