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Author: MikroElektronika Team
Last Updated: 2011-08-17
Category: GSM / GPRS
Downloaded: 4418 times
Build your own home-made SMS alarm system, with minimum expenses using StartUSB for PIC, Smart GM862 with Telit GM862 module and antenna, Motion Sensor and a wire jumpers.
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|DOWNLOAD LINK||RELATED COMPILER||CONTAINS|
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Your own home made alarm set (click to enlarge)View full image
This week we are showing you how easily you can build your own home-made
SMS alarm system, with minimum expenses. All you need to have
is StartUSB for PIC Board, Smart GM862 with Telit GM862 module and antenna, one SIM card and a few wires.
Program constantly monitors the input from motion sensor. When turned on, the device rests for one minute, so you can safely exit your home without triggering the alarm. After that, software enters the alarm mode. When motion is detected, device sends an SMS message: "Warning: Motion Detected!", letting you know that someone is in your home. When the SMS is sent, system will wait dormant for one minute and then reenter the normal alarm mode.
SMS home alarm schematics (click to enlarge)View full image
Cool and simple, isn’t it? You can make a nicer design of the whole thing if you like, maybe put it in a casing with accessible power supply connector, a signal led and external antenna, but we leave this to your creativity. Source code of this demonstration software is provided for free, so you can modify it to suit your needs.