© Copyright Sensirion AG, Switzerland 1/11
SHT31 Smart Gadget User Guide
Reference Design and Development Kit for Applications with SHT3x Sensors
SHT31 humidity and temperature sensor
LCD display for humidity, temperature and dew point in °C and °F
Bluetooth Low Energy (BLE) connectivity to iOS and Android smartphones
iOS and Android apps available
Data logging capabilities
Complete hardware, firmware and software design resources available
Development Kit Contents
Smart Gadget main PCB equipped with
SHT31 sensor, LCD display, push button and
BLE module, including battery, supports and
quick-start guide
Apps for iOS and Android devices for
download in respective app stores
Complete design resources available on
GitHub:
- Hardware design (PCB layout, BOM)
- Firmware code
- Bluetooth profile definition
- Source code for iOS and Android
apps
Introduction
The SHT31 Smart Gadget is a reference design circuit board which demonstrates the outstanding performance
and ease of use of Sensirion’s humidity and temperature sensors. It not only shows humidity and temperature
values on the display, but it can also communicate wirelessly with a Bluetooth Smart capable device like a
smartphone. For developers, full design resources of the SHT31 Smart Gadget are available on GitHub.
