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.
Your metal locker is a Faraday cage preventing any EM getting in and out. The phone may be trying to report to big brother even when turned off. Install long wires that you can hook ammeter on, put the turned-off phone in locker but leave ammeter outside and watch it.
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