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.
You would need a cellular modem a motor/solenoid or other actuator to turn the activate the lock (and whatever mechanical parts needed to make the lock stay locked, or unlock when power fails depending on what you want),
and a microcontroller reading the modem signals and controlling a relay or other switch to control the locking actuator.
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