1-Wire Bus Technology and Realization of Temperature Measurement of DS18B20

Journal of Atmospheric and Environmental Optics ›› 2010, Vol. 5 ›› Issue (4): 322-.

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1-Wire Bus Technology and Realization of Temperature Measurement of DS18B20

SUN Ming-li, BAO Jian, ZHANG Shuo

(Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031,China)

Received:2009-10-15 Revised:2009-12-13 Online:2010-07-28 Published:2010-07-21

Abstract

Abstract:

Characteristics of 1-wire technique were introduced. A temperature survey system based on 1-wire digital sensor DS18B20 and PIC16F73 was designed. The hardware structure and the software design were also described. Compared with the traditional temperature control devices, this system has simpler structure, higher precision and better anti-disturbance performance. In addition, each DS18B20 has a unique serial code, which allows many DS18B20s to function on the same 1–wire bus.

Key words: 1-wire bus, DS18B20, PIC16F73MCU

CLC Number:

TP273

SUN Ming-Li, BAO Jian, ZHANG Shuo. 1-Wire Bus Technology and Realization of Temperature Measurement of DS18B20[J]. Journal of Atmospheric and Environmental Optics, 2010, 5(4): 322-.

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1-Wire Bus Technology and Realization of Temperature Measurement of DS18B20

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