数字温度计的设计

摘要：随着人们生活水平的不断提高,单片机控制无疑是人们追求的目标之一，但人们对它的要求越来越高，要为现代人工作、科研、生活、提供更好的更方便的设施就需要从数单片机技术入手，一切向着数字化控制，智能化控制方向发展。本设计所介绍的数字温度测量系统具有读数方便，测温范围广，测温准确等优点，其输出温度采用数字显示。该设计控制器使用单片机STC89C52，测温传感器使用DS18B20，用4位共阴极LED数码管实现温度显示，能准确达到以上要求。

关键词：STC89C52 DS18B20 数码管显示 数字温度计

-Design of Digital Thermomer

Abstract:SCM control is one of people’s pursue with the people’s living standard rising, but people’s demand becomes higher and higher. If people want to get more convenience on work, scientific research and life, we should do more work on single-chip computer technology.Of course with the development of technology, microcontroller technology has spread to our life, work, scientific research and so on.In this paper we introduce a new method named digital temperature system ,this system has many advantages, such as easy reading, large temperature range, accurate measure temperature and its output temperature uses digital display.This design uses STC89C52 single-chip microcomputer controller, temperature sensor DS18B20, and with 4 cathode tube LED to realize digital temperature display.

Keywords: SYC89C52　 DS18B20　 Digital display　 Digital thermomer