The Principle of the Intelligent Temperature Sensor DS18B20 and Its Application

摘要

The feature and structure of digital thermometer DS18B20 was introduced in this paper. A temperature measure system was introduced, which works with 8051 Single Chip Microcomputer as its CPU and DALLAS18B20 for its temperature data collection - conversion. The principium of hardware, flow chart of software and a brief time delay subprogram are also given.