Sensors

Sensors reference board hits global distribution market

28th June 2021
Mick Elliott

The new SHT40 Smart Gadget sensors reference design circuit board is now available globally through Sensirion’s distribution network.

The board demonstrates the performance and ease of use of Sensirion’s SHT4x humidity and temperature sensors in connected devices.

The Smart Gadget comes with a SHT40 humidity and temperature sensor and measures ambient humidity, temperature, and dew point in Celsius and Fahrenheit. Furthermore, it is able to communicate with Bluetooth low energy devices, such as smartphones, while offering data-logging capabilities.

The gadget consists of a main PCB equipped with an SHT40 sensor, LCD display, push-button, and BLE module, including battery, supports, and a user guide

As part of Sensirion’s next generation humidity and temperature sensors, the SHT40 builds on a completely new and optimised CMOSens chip offering ultra-low power consumption and industry-leading accuracy specifications.

This technology provides a complete sensor system on a single chip, with a fully calibrated digital I2C fast-mode plus interface.

It covers operating ranges from 0 to 100 % RH and from -40°C to 125°C with accuracies of ±1.8% RH and ±0.2°C.

With an extended supply voltage range from 1.08 V to 3.6 V and 400 nA average current, the SHT40 is perfectly suited for mobile and battery-driven applications.

The exceptionally small size encased within a robust DFN housing enables robust integration into challenging designs while meeting the highest reliability demands, as demonstrated by the JEDEC JESD47 qualification.

Sensirion offers the MyAmbience app for viewing live data from all gadgets or tracking history and export data.

Users can download the MyAmbience app for the iOS or Android system, and connect the Sensirion Smart Gadget via Bluetooth to a mobile device.

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