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i want more details about the 41 LED Flasher Circuit using 555 IC

 i want  working ,applications,components cost 

jeff-o7 years ago
I think I know the circuit you're talking about.  I used it to build a tail light for my bike.
Re-design7 years ago
Post this question to the comments under the instructable you are talking about.  I don't know which one you're asking about and I don't want to search for it.