M5Stack Barometric Pressure 2 Unit (QMP6988)
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Introduction
Barometric Pressure Unit is a barometer unit that uses 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, while the Absolute temperature accuracy is 2°C.
Features
Built-in temperature and pressure sensors
High precision (pressure accuracy: ±0.039hPa; Absolute Temperature accuracy: 2°C)
Low current consumption: 21.4uA
Development platform: Arduino, UIFlow (Blockly, Python)
2x LEGO™ compatible holes
Specifications
| 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 |
Pinout
Dimensions
How to Use
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