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MS5611-01BA03 Barometric Pressure Sensor Variometer

MS5611-01BA03 Barometric Pressure Sensor Variometer

MS5611-01BA03 Breakout board.

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MS5611-01BA03 Barometric Pressure Sensor, Variometer.




The MS5611-01BA03 is a new generation of high resolution altimeter sensors from MEAS Switzerland with SPI and I2C bus interface. It is optimized for altimeters and variometers with an altitude resolution of 10 cm. The sensor module includes a high linearity pressure sensor and an ultra low power 24 bit _Σ ADC with internal factory calibrated coefficients. It provides a precise digital 24 Bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of an altimeter/thermometer function without any additional sensor. The MS5611-01BA can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. Small dimensions of only 5.0 mm x 3.0 mm and a height of only 1.0 mm allow for integration in mobile devices. This new sensor module generation is based on leading MEMS technology and latest benefits from MEAS Switzerland proven experience and know-how in high volume manufacturing of altimeter modules, which have been widely used for over a decade. The sensing principle employed leads to very low hysteresis and high stability of both pressure and temperature signal.


This PCB board can work I2C or SPI mode.



Two wire (I2C) interface

SPI interface

Wide barometric pressure range

Flexible supply voltage range

Ultra-low power consumption

Low noise measurement

Fully calibrated

Temperature measurement included

Ultra-flat, small footprint


Package include one fully assembled and tested SM5611-01BA03 sensor


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