采用汇编语言，利用三路数字温度计DS18B20侧周围环境温度，利用液晶显示三路温度值，并且有按键查询阈值，报警等模块，仿真图+汇编-Using assembly language, using a three-channel digital thermometer DS18B20 side of the ambient temperature, the use of three-way LCD temperature values, and there is a threshold inquiry button, alarm modules, simulation diagram+ compilation