The Research And The Design Based On ARM And Linux's Security Alarm System

With the rapid development of scientific technology and economy, people's requirements of house have transited from simple living space to multiple functions, such as security. So that a alarm-reporting system which is efficient and easy is critical for daily life.The thesis designs a efficient and easy alarm-reporting system which is combined with the current market and extend the functions of existing products. The alarm-reporting system can ensure against fire and theft and detect automatically. And the system is composed of several modules so that it is easy to be extended. The various probes can detect various analog signals (such as infrared signal sent out by humans, temperature, harmful gas thickness, smoke fog thickness, et al) automatically. The central controller will send alarm message to the users by SMS or MMS while alarm signal produce. It is convenient to site the system by the controller which is based on ARM and Linux. In order to cost-effective and more reliable while it can meet the needs of security and collecting information, the system is linked by the RS-485 which is easy and safe.The alarm-reporting system is cheap and reliable so that it is convenient to be spread extensively. At the same time, the system can send alarm message for a long distance. Users can receive alarm message by the mobile network. So the system can be applied to some important places.