lutaaya Posted February 7, 2010 Report Share Posted February 7, 2010 hello i want to design switch that is activated by light ,when it turns dark it switches its self on and during day it switches its self on. can u please help me and send me the type of transistor to use and the type of light dependent resister to use.also the relay i should use.please send the reply on [email protected] Quote Link to comment Share on other sites More sharing options...
Hero999 Posted February 7, 2010 Report Share Posted February 7, 2010 No one's going to email you, we only help on the open forum.Here are a few circuits:http://www.silicontronics.com/index.php?action=ezportal;sa=page;p=17 Quote Link to comment Share on other sites More sharing options...
gogo2520 Posted February 7, 2010 Report Share Posted February 7, 2010 Nice link hero gogo Quote Link to comment Share on other sites More sharing options...
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