Tiny GSM alarm system using PIC16F84A
AfterΒ GSM call alarmΒ and GSM SMS alarm as two independent modules, I introduce the Tiny GSM alarm system.Β The main characteristic of this new version is that this device can operate standalone or as a module for existing alarm system.Β In previous versions we had onlyΒ the “enable” pin that armed/disarmed the system.Β Now,Β aside from that pin weΒ can arm/disarm the […]
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