MS5611 Altitude Sensor I2C / SPI High Resolution

This high resolution altitude and barometric pressure sensor is ideal when you want high accuracy readings in flight for your projects. Raspberry Pi and Arduino compatible.

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Last Updated: 02/20/2024




The MS5611-01BA is a new generation of high resolution altimeter sensors with SPI and I2C bus interface. This barometric pressure sensor 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 ΔΣ 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.


  • MS5611 High Resolution Atmospheric Pressure Sensor
  • Range: 10mbar - 1200mbar
  • ADC Resolution: 24 bit
  • Altitude Resolution: 10cm
  • Interface: I2C and SPI
  • Operating Voltage: 3V - 5V DC
  • Internal low dropout regulator
  • Logic level conversion on board
  • Raspberry Pi & Arduino Compatible
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