
U090-B · M5Stack

Unit Mini BPS v1.1 is a digital barometric pressure sensor unit that uses the QMP6988 barometric pressure sensor and utilizes an I2C communication interface. This product is mainly used for measuring barometric pressure with a relative accuracy of up to ±0.039 hPa (±0.12 hPa, equivalent to ±1 m height difference) and a wide measurement range. Additionally, a temperature sensor with an absolute accuracy of 2°C is integrated within the chip. Features Built-in temperature and pressure sensor… (M5Stack U090-B)
| Part number | U090-B |
|---|---|
| Manufacturer | M5Stack |
| Category | Sensors › Pressure |
| Pins | 4 |
Barometric Pressure 2 Unit (QMP6988) pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SCL | input | |
| 2 | SDA | bidirectional | |
| 3 | 5V | power | |
| 4 | GND | ground |
Schematic symbol and footprint
Schematic symbol
Footprint: Grove HY2.0 4-pin through-hole, 2.0 mm pitch — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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