Here is our new simple Electrical/Electronics project about Automatic Street Light Control System. It is simple and a powerful concept, which uses transistor (BC 547 NPN) as a switch ON and OFF the ...
One of the easiest tricks to keeping a house warm (or cool), is to open and close the blinds in time with the sun. Of course, that's only helpful if you're home all the time to do that. Instructables ...
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