Security System Using Arduino, Ultrasonic Sensor and Gsm Module
build a security system using arduino , ultrasonic sensor , GSM module . the system will send SMS to your mobile when some one entered in to home.
source code, images are available on GitHub – https://github.com/thushapan96/Security-System-Using-Ultrasonic-Sensor-and-Gsm-Module
please make sure to change phone number on source code…
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GSM
