SHT11与SHT30的兼容性设计  

Design for Compatibility of SHT11 and SHT30

作　　者：罗亚斌 LUO Yabin(Worldwide Electric Stock Co.,Ltd.,Xiangyang,Hubei 441002,China)

机构地区：[1]万洲电气股份有限公司,湖北阳441002

出　　处：《自动化应用》2023年第2期1-3,共3页Automation Application

摘　　要：文章首先说明了在SHT11与SHI30两种温湿度传感器芯片上做兼容性设计的原因和必要性,再从引脚功能、通讯协议、测量方式和计算公式等方面对两种传感器芯片进行了差异比较,然后根据差异的特征,提出了两种传感器芯片混用时的接口设计、引脚设计的硬件方案,以及传感器软件的识别方法、程序修改要点和程序执行流程等软件设计方案,最后给出了设计方案在实际使用中的结果。This paper first explains the reasons and necessity of compatibility design of SHT11 and SHT30 temperature and humidity sensor chips,and then compares the differences between the two sensor chips are compared from the aspects of pin functions,communication protocols,measurement methods and calculation formulas.Then,according to the characteristics of the differences,the hardware scheme of the interface design and pin design when the two kinds of sensor chips are mixed,and the software design scheme of the sensor software recognition method,the key points of program modification and the program execution flow are put forward.Finally,the results of the design scheme in practice are given.

关 键 词：温湿度传感器 混用 兼容 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]