Design on Home Security System Based on 51 Single Chip Microcomputer

In order to solve the problem of the high price of the current home security system, a simple and practical home security system is designed by using the reliable and stable 51 single-chip microcomputer, the cheap and handy SIM800 mobile phone module and the 315/433mhz ultra-regenerative wireless transceiver module.It discusses the design scheme of the whole frame structure and function module,and monitors and analyzes its operation.