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 have an idea for a business opportunity. I have a remote that opens the gate to my apartment complex and newer cars these days have that same function installed by the lights so you don't have to use the remote. What is the science behind this? I want to learn how to make these devices, but in...
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