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.
I recently installed an alarm system into my car. The system has three channels that I can hook up to control whatever I want. There is one wire coming from the alarm system for each channel, and I can program them (individually) to either provide a ground while the button is pushed on the...
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