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.
Hi, i want to make a proximity alarm that when you move away from an object, and you have the alarm with you (say in your pocket) it beeps if you go 3-4 meters away from it. Does anyone have a Schematic to do this, if not can anyone help me make this? Thanks!
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