Matrix - Temperature Sensor

From FriendlyELEC WiKi
Revision as of 07:46, 18 July 2015 by Yonganch (Talk | contribs) (Created page with " ==介绍== 非常流行的TO-92封装的DS18B20。DS18B20的测量范围是-55摄氏度到+125摄氏度,可选9-bit或12-bit,在-10摄氏度到+85摄氏度时可以精...")

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search


1 介绍

非常流行的TO-92封装的DS18B20。DS18B20的测量范围是-55摄氏度到+125摄氏度,可选9-bit或12-bit,在-10摄氏度到+85摄氏度时可以精确到0.5度,采用一线协议通讯。我们把DS18B20的3个针脚全部引出,V对应电源引脚,G对应地引脚,S对应数据引脚。

2 特性

  • -55摄氏度到+125摄氏度
  • 一线协议
  • 体积小巧, 带固定孔,方便嵌入到外壳
  • 2.54mm排针接口,接线方便,通用性强