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 am trying to design and build a device that will shut off a battery-powered device when it goes beyond a certain distance. I want to use RF technology(sort of like RF dog collar technology) but I have no idea how to go about designing the circuit nor do I know what other parts i may need. I've...
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