How to control the doorphone button from the remote control?
Hello. Tell me, please, I work in security at the checkpoint. In the room there is a door with a magnetic lock with a doorphone, and a button is opened from the doorphone to open the door. Can I connect to this button and remotely trigger it? And if so, tell me, what equipment will I need for this?
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On aliexpress, they offer a key fob and an electronic circuit with a relay output. Using the relay contacts, you can duplicate the button and organize 12 V power for this circuit, everything should work out.
DC relay 12 V 7 A, wireless channel.