基于单片机的家居型火灾自动报警系统

本文基于AT89S52单片机的家居型火灾自动报警系统，采用气体传感器、温度传感器以及LED显示灯模块，可以实现声光报警、故障自诊断、浓度显示、报警限设置、延时报警及与上位机串口通信等功能。是一种结构简单、性能稳定、使用方便、价格低廉、智能化的火灾报警器，具有一定的实用价值。

This paper introduce the Automatic Fire Alarm System base on AT89S52 SCM. It use Gas sensors, temperature sensors and LED display light module which consist of this system. This system is able to makingsound and light alarm, fault self-diagnosis, concentration display, alarm limit set, delay alarm set and serial communication with the upper machine, etc. Since of the Simple structure, stable performance, easy to use, low cost, intelligent control this Fire Alarm System is a practical system.