04-10-2010, 03:29 PM
nachoman Wrote:If you want to alternate flashing lights (as in a crossing signal) there is a relatively easy circuit you can build using a 555 IC, and a few other components. The cost of the parts will be less than 5 bucks.
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Kevin
i use a two transistor flasher unit i found years back, the 555 is ok too but if you check that unpopular site (ebay) you can get them for .12 cents each if you buy a lot of 100
jim