The Design And Implementation Of Home Security System Based On Android Smartphone

With the development of Chinese economy, the current situation of the regional imbalance in economy made the gap between the rich and the poor increase further in recent years. Compared with former years, the proportion of burglary cases had been greatly improved. In order to protect personnel wealth, People began to pursue all kinds of security products. The statistics show that the security products industries are now growing rapidly with an annual growth rate of 15%-30% in recent years.The most important methods of fire prevention and security in our country are some simple equipment, such as simple security door, window and other mechanical device and buzzer device. These facilities can only increase the difficulty of the housing invaded, but masters cannot know what accurately is happening in the house, and can’t make a real-time response. The smartphone especially Android smartphone has become more and more necessary in people life, they not only can provide people the most basic communication function, but also different configurations and data processing abilities can bring people lots of colorful applications. Smartphone has become a good assistant in people’s life. Android smartphones combined with traditional family security system, will be the characteristic of home security system in the future.The home security system designed in this paper is based on STC89C52 SCM and Android smartphones. The system is simple, responsive and comprehensive monitoring, reliable operation, can send information to the master timely. The wireless magnetic door sensors, wireless smoke detector were used to collect and send the data to SCM in this design. After processing, the SCM control Android smartphone for image acquisition by bluetooth module, eventually collected image data sent to the host mobile phone. The sender (Mobile device)and receiver(User mobile) software were included in this design, two functions can be implemented in one app. The user can select one function on the app according to the actual use. So Users can monitor the status of home security in each direction, and make pre judgment and disposition with emergencies.