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BMP390 High Precision Barometric Pressure Sensor, Barometric Pressure / Altitude / Temperature Measuring
BMP390 High Precision, Barometric Pressure Sensor , Suitable for Barometric Pressure, Altitude, Temperature Measuring, Supports Raspberry Pi / Raspberry Pi Pico / Arduino / ESP32 ...
The BMP390 is a 24-bit absolute barometric pressure sensor, with the features of ultra-small form factor, low power consumption and low noise. This digital high-performance sensor is ideal for a variety of altitude tracking applications. Supports both I2C / SPI interfaces, compatible with 3.3V/5V voltage levels. It can be easily integrated into projects such as GPS modules, wearables devices, audible devices and drones, suitable for applications such as accurate altimeter, environment monitoring, and IoT projects.
Features At A Glance
- Onboard BMP390 sensor for measuring barometric pressure, altitude and temperature
- Supports I2C communication, I2C address configurable, with I2C bus cascading support
- Supports SPI communication, enabled via CS pin (I2C bus by default)
- Onboard voltage translator, compatible with 3.3V/5V level
- Comes with online development resources and manual (examples for Raspberry Pi / Raspberry Pi Pico / Arduino / ESP32)
Sensor Parameters Comparison
| MODEL | BMP388 | BMP390 (BMP388 upgraded version) | ||
| DETECTION SUPPORT | barometric pressure, altitude, temperature | |||
| COMMUNICATION INTERFACES | I2C / SPI | |||
| BAROMETRIC PRESSURE | MEASURING RANGE | 300~1250 hPa | ||
| ABSOLUTE ACCURACY | ±0.40hPa (@900~1100hPa，25~40℃) | ±0.50hPa (@300-1100hPa, 0~65℃) | ||
| RELATIVE ACCURACY | ±0.08hPa (@900~1100hPa，25~40℃) | ±0.03 hPa (@700-1100hPa, 25~40℃)(equivalent to ±25 cm) | ||
| TEMPERATURE | COEFFICIENT OFFSET | ±0.75Pa/K (@700~1100hPa，-20~65℃) | ±0.6Pa/K (@900hPa,25-40°C) | |
| ABSOLUTE ACCURACY | ±0.5℃ (0~65℃） | |||
| POSSIBLE SAMPLING RATE | 200Hz | |||
| OPERATING TEMPERATURE | -40~85℃ | |||
| DIMENSIONS | 32 × 20mm | |||
Supports I2C And SPI Interfaces Control
For Use With Controller Boards Like Raspberry Pi/Raspberry Pi Pico/ESP32/Arduino
| PIN | I2C | PIN | SPI |
|---|---|---|---|
| VCC | 3.3V/5V power supply | VCC | 3.3V/5V power supply |
| GND | Ground | GND | Ground |
| SDA | I2C data | SDO | SPI data, can be connected to host MISO |
| SCL | I2C clock | SDI | SPI data, can be connected to host MOSI |
| INT | interrupt output, can be connected to I/O | SCK | SPI clock input |
| CS | Chip selection, can be connected to I/O |
Product Show
Outline Dimensions
Resources & Services
Wiki: www.waveshare.com/wiki/BMP390_Barometric_Pressure_Sensor
Shipping list
Weight: 0.007 kg
- BMP390 Barometric Pressure Sensor x1
- PH2.0 5PIN cable x1
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