The SHT40 Breakout with Qwiic Connector is a high-precision temperature and humidity sensor module engineered for developers and engineers who require accurate environmental data in a compact and reliable form factor. Developed using Sensirion’s CMOSens Technology, this module integrates a high-performance sensing element and signal processing circuit on a single chip, delivering unmatched accuracy with ultra-low power consumption - just 1.2 µW in ultra-low power mode. Its robust design and exceptional performance make it ideal for environmental monitoring, smart agriculture, HVAC systems, and IoT-based weather stations.

With a temperature measurement range of -40°C to +125°C and an impressive accuracy of ±0.2°C, as well as a humidity detection range of 0% to 100% RH with ±1.5% RH accuracy, this module is a reliable solution for any temperature or humidity-sensitive application. The integrated Qwiic connector enables effortless daisy-chaining with other I²C-compatible devices—no soldering, no fuss, just plug-and-play functionality. Full support is available for major microcontroller platforms, including Arduino, Raspberry Pi, and ESP32, with well-documented libraries and examples that ensure a smooth setup process.

Key Features

High Accuracy Measurements
±0.2°C temperature accuracy and ±1.5% RH humidity accuracy ensure reliable environmental data.
Ultra-Low Power Consumption
Consumes only 1.2 µW in low-power mode, making it ideal for battery-powered and IoT devices.
Wide Operating Range
Measures from -40°C to 125°C and 0% to 100% relative humidity, suitable for extreme conditions.
Qwiic Connector Enabled
Simplifies setup with plug-and-play compatibility—no soldering required for I²C connections.
CMOSens Technology
Integrates sensor element and signal processing on a single chip for maximum precision and stability.
Broad Microcontroller Compatibility
Supports Arduino, Raspberry Pi, and other popular development boards with ready-to-use libraries.
Compact and Durable Design
Compact PCB size fits easily into any enclosure or embedded system while maintaining mechanical stability.