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Signaling


In this video tutorial, you will learn how to make an alarm for a house, apartment or the garage. Elementary assembly diagram and cheap components.
Necessary details - any cell, 9-12 volt relay, reed switch magnet, 9-12 volt power supply for relays, phone charger, microswitch.
The system is triggered by the OPEN circuit of the reed switch and the SECURITY, in these two cases, the subscriber is called by the quick call button.
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