Interfacing the Sensirion humidity and temperature sensor

The Sensirion SHT71 is a fully calibrated, pluggable relative humidity and temperature sensors. This article shows how to interface it with to the FOX Board LX


Humidity and temperature sensor
Sensirion SHT71

Wiring


SHT71 wiring

Source code

Thanks to Douglas Gilbert here is a fixed and improved version of the source code in C language that reads the humidity and temperature measurements and show it on the console: @source='sht71.c' Its possible to compile it directly on-line with the Webcompiler.

# ./sht71
Humidity   : 60.15 %
Temperature: 22.70 C
#

SHT7x sensor and the FOXZB

The FOXZB board has a placement for the Sensirion SHT71 or SHT75 sensor has shown in the following pictures (@h1='42'):


Placement for the SHT7x sensor on the FOXZB add-on board