Design of low-power electronic thermometer

摘要

To the characteristics of traditional temperature measuring system, a design method of low-power electronic thermometer is proposed based on single chip machine and digital temperature sensor in this paper. Firstly, the working principle of 1-wire digital temperature sensor is introduced in details. Then, the overall framework of system and the unit modules are presented, which mainly realized the functions such as temperature measurement, data processing, data display and alarming. Finally, the software is designed and the main program flowchart is presented. Experiment shows that the thermometer is simple, low power consumption, easy to use and with high precision.