Description M5Stack Barometric Pressure 2 Unit is a compact barometric pressure sensor module built around the QMP6988 pressure sensor. This QMP6988 atmospheric pressure sensor measures barometric pressure and temperature with low power consumption, making it useful for altitude measurement, weather-related sensing, and environmental monitoring in compact embedded systems. Features This unit integrates both pressure sensing and temperature sensing in one board. This barometric pressure sensor module uses the QMP6988 pressure sensor with low current consumption. The QMP6988 atmospheric pressure sensor supports atmospheric pressure tracking and altitude estimation. It offers a wide operating pressure range for practical outdoor and indoor sensing work. It works well for altitude measurement, floor detection, weather logging, and environmental monitoring. Specifications Product Barometric Pressure Unit (QMP6988) Sensor QMP6988 LDO HT7533 Operating Pressure Range 30kPa to 110kPa Relative Pressure Accuracy ±0.039hPa Pressure Resolution 0.001hPa Temperature Resolution 0.0002°C Temperature Measurement Range -40 to 80°C I2C Address 0x56 Voltage Support 5V Product Size 24mm × 24mm × 8.1mm Package Size 136mm × 92mm × 13mm Product Weight 3.3g Package Weight 6.9g Applications This unit is suitable for floor detection, weather logging, altimeter builds, portable sensing systems, and compact environmental monitoring devices. Because it can estimate pressure changes with high precision, it is also useful for altitude measurement and embedded designs that need stable barometric sensing. Product List 1 × Barometric Pressure Unit (QMP6988) 1 × Grove Cable (5cm) Other Content Resources M5Stack Barometric Pressure 2 Unit Official Docs QMP6988 Datasheet M5Unit ENV Examples FAQ What is this unit mainly used for?It is used for altitude measurement, floor detection, and environmental monitoring. Why choose this module?It offers a compact pressure-and-temperature sensing solution with low-power operation.
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