nexus-6 Posted December 7, 2004 Report Share Posted December 7, 2004 Hello there people!,I recently thought of an idea, of designing a timer switch for my parents washroom. cuz, they leave the fan on and forget it.Later i realized that there are switches like that in the market already! (my idea is outdated :) ) :DNeways, Do you guyz know how these switches are created and designed? Like can somebody tell me the theory behind this timer switch ? For ex: like this one below: Quote Link to comment Share on other sites More sharing options...
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