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06-20-2017, 08:39 AM

#13

basimpsn

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Join Date: Dec 2001

Location: Mia, FL

Posts: 2,580

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Quote:

Originally Posted by Springbok Flyer

What is a 555 timer?

It's a real simple circuit to make...here is a youtube video how to make one...or a ready made unit from ebay ;-)
Basic Flasher Circuit Board To Flashing Rail/Road Crossing eBay

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