Abstract
In wake of the number of burglar incidences rising in different states in Nigeria, and the lack of an efficient state security agency, there has been a focus on the deployment of home security/alarm systems, sponsored by different privately own security outfit in other to combat the high level of crime. With the advancement in technology particularly the Global System Mobile (GSM) technology, securing our home has never been easier. It’s now possible for users to control and monitor systems and development in their household with the help of their smartphones. The development also brings in other advantages like cost effectiveness and much needed efficiency. In this project we design and construct an automatic home security system based on GSM technology and embedded microcontroller unit. The system consisted of an infrared motion detector and a magnetic sensor as transducers for detecting intruders motion or break in through a door. The signals are then processed by an embedded microcontroller unit which then activate the GSM module and send SMS message to the householders mobile phone device, an at the same time activating an attached alarm system. Initial testing of this system shows that it worked as expected.
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