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Old 11-14-2008, 11:14 AM   #52 (permalink)
MazdaMatt
Master EcoModder
 
Join Date: Jun 2008
Location: London, Ontario
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2k2Prot5 - '02 Mazda Protege5
90 day: 33.82 mpg (US)
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re: dividing frequency by 2... You could do that with a flip-flop arrangement. Sorry, I have no time to look up which it is but the idea is to toggle the output on each rising edge, thus dividing by two. Easy-peasy. It will cost you about a dollar.
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