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)
