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Absolute pressure sensor

Slim sensor for calibrated data

The compact MEMS-based (Micro-Electro-Mechanical Systems) absolute pressure sensor Wsen-Pads from Würth measures pressure in the range between 26 and 126 kilopascals. The output data rate can be selected between one and 200 Hertz.

The absolute pressure sensor Wsen-Pads. © Würth Electronics

It offers the option of using integrated algorithms that can be activated to prepare the measured values for various applications in such a way that the programming effort for a connected controller is reduced. The measured values can be read out via a standard I²C interface. The I²C interface is extended by an additional interrupt pin, the function of which can be modified by the user. One application example is the use of the pressure sensor as an altimeter. Thanks to its high resolution, the sensor provides information that enables the position of individual floors in buildings to be assigned. This supports an indoor navigation system. As the sensor can be operated with very low power consumption, it is possible to supply it with energy using batteries or even via energy harvesting. as

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