M5Stack Barometric Pressure 2 Unit (QMP6988)

The Barometric Pressure Unit is a barometer unit that uses a QMP6988 barometric pressure sensor to measure atmospheric pressure and altitude estimation, with a relative accuracy of ±0.039hPa (±0.12hPa, equivalent to ±1m height difference), a wide measurement range, and an integrated temperature sensor inside the chip.

Features

• Built-in temperature and pressure sensors
• High precision (pressure accuracy: ±0.039hPa; Temperature accuracy: 0.0002°C)
• Low current consumption: 21.4uA
• Development platform: Arduino, UIFlow (Blockly, Python)

Specifications

Resources	Parameters
Sensor	QMP6988
LDO	HT7533
Operating Pressure Range	30kPa to 110kPa
Relative Pressure Accuracy	±3.9
Pressure Resolution	Temperature Resolution
Temperature Resolution	0.0002°C
Temperature measurement range	-40-80°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

Resources

• Product Wiki

Package contents

• 1x Barometric Pressure Unit (QMP6988)
• 1x Grove Cable (5cm)