摘要
基于数字温度传感器DS 18820与微处理器技术,本文设计了温度显示和报警装置。该装置实现了自动切换供电模式和人为设定报警温度的功能,性能可靠,成本低。
Based on DS 18B20 and the MCU technology, this paper designs a device for temperature display .The device has the auto-switch power supply way function, and it also can be set alarming temperature range by us. Its cost is low, but its performance is quite good.
