#PIRMotionSensor alarm circuit is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.
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DIY Motion Detection SMS Alarm System
In this project I will combine a cheap PIR motion sensor with a TC35 GSM module to build an alarm system which sends you an "INTRUDER ALERT" SMS whenever somebody tries to steal your stuff. Let's get started !
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