S42M Hardware User Guide
1VV0301379 Rev. 4
Page
18
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2018-11-28
MEMS Sensors (Optional)
The S42M includes optional an triaxial, low-g acceleration sensor, which
integrates a multitude of features that facilitate its use especially in the area of motion
detection applications, such as device orientation detection, navigation and spirit level
measurements. Featuring 14 bit digital resolution, the sensor allows very low-noise
measurement of accelerations in 3 perpendicular axes and thus senses tilt, motion, shock
and vibration.
Option: 3A
Furthermore the S42M includes optional an humidity and temperature sensor that
provides high accuracy measurements with very low power consumption.
The capacitive-based sensor provides high accuracy measurement capability for a wide
range of environmental monitoring applications and Internet of Things (IoT) such as smart
thermostats, smart home assistants and wearables. The sensor can also be used to provide
critical temperature and humidity data for cold chain transportation and storage of
perishable goods to help ensure products like food and pharma- ceuticals arrive fresh.
The sensor is factory-calibrated to 0.2°C temperature accuracy and 2% relative humidity
accuracy and includes a heating element to burn away condensation and moisture for
increased reliability.
Option: TH
The functionality of both sensors is highly Firmware dependent!
Please refer to [4] for further informations.
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