GSM Wireless Home Security System with SMS Alert to Mobile

GSM based wireless security system for home, office, shops, bank etc,. This system uses GSM modem with SIM card from any network to send SMS to the stored mobile number if any vibration or motion is detected in the nearby area. The unit senses any intruder by detecting motion using vibration sensor which can be fixed in door or entrance area. When any vibration is detected the sensor gives signal to a microcontroller which send SMS alert to the owner or any person mobile number immediately. Thus any theft or intruder can be prevented by this system. The sensitivity of the sensor can be adjusted and any number of mobile number can be added. If calling option is needed then calling function can also be activated.

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GSM

Source by Karthik Dm