Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
My high school computer lab has an almost annual game like jeopardy, but with questions about computers. We currently have it set up with four differently colored light bulbs that each work from a little switch, it's pretty nice. What we really want is to hook it up in a way that only one light...
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