基于C8051F320单片机的超低功耗微型温度记录仪的研制

Development of a Mini Temperature Logger with Ultra Low-Power Based on C8051F320 MCU

本文介绍了一种低成本、超低功耗微型温度记录仪。首先,叙述了设备的硬件结构方面设计,主要包括热敏电阻测温电路、实时时钟电路、系统低功耗设计和单片机软件设计等。然后,介绍了上位机软件设计以及上位机与温度记录仪之间的通信协议设计。最后,对设备进行了实验测试,证明本设计的可靠性和实用性。

This paper introduces a mini-type temperature logger with low cost and ultra low-power. Firstly, this paper describes the design of hardware structure, mainly including temperature detecting circuit with NTC, real-time clock, low-power design, and software design of MCU, and so on. And then, the design of software in PC and communication protocol between PC and temperature logger are introduced. Finally, a series of tests are performed on the temperature logger, the reliability and practicability are validated.