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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

time fountain circuit help

steev

New Member
hello all,
iam working on nate's time fountain.http://cre.ations.net/creation/the-time-fountain

i did some search over the net for some good circuit and found this article.
http://www.eccentricgenius.com/wp/2006/08/10/stopping-time-visually/

but the problem is,in the circuit pulse width is fixed.i want it variable so that i can design the system perfectly.using 2 555's can we solve this problem?
http://www.eleinmec.com/article.asp?28 (replace motor with LED's)
(planning to replace TIP31 with 2n2222)
 

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