Product description: BMP390L - pressure and temperature sensor - STEMMA QT / Qwiic - Adafruit 4816
Sensormodule equipped with BoschBMP388andBMP390digitalbarometer. Enables precise measurement of pressure and height in the pressure rangefrom 300 hPa to 1250 hPa, with relative measurement accuracy of± 0,08 hPaand absolute measurement accuracy of ±0,5 hPa. Powered by voltage in range of3 V to 5 V DC. The module uses I2C and SPI bus to communicate with the main module, e.g. Arduino orMetro. Equipped with STEMMA QT / Qwiic connectors, which can be used to connect sensor with microcontroller.
Product compatible with Arduino
Detaileduser guideandlibraryfor Arduino IDE environment are available on manufacturer's website for download from GitHub.
Pressure and temperature sensor equipped with BMP390L chip.
Also included is a dedicated 2.54mm goldpin strip that can be used to connect the sensor.
Suggested application
- Used in drone and quadcopter projects to maintain a stable flight altitude.
- As a complementary sensor in any flying projects to track altitude above sea level.
- To measure temperature with an accuracy of ± 0.5°C.
Sensor pinout description from Adafruit
- VIN- supply pin with voltage from 3V to 5V DC
- 3Vo- supply pin with voltage 3,3 V
- GND- system ground pin
- SCL- I2C / SPI logic pin - communication interface clock line pin
- SDO- SPI logic pin - output pin of communication interface data line
- SDA- I2C / SPI logic pin - communication interface data line pin
- CS- Chip select (activated by low state)
- INT- interrupt pin
Example of sensor connection using STEMMA QT / Qwiic connectors andMetroboard which is Arduino equivalent.
Sensor is powered from 3V to 5V DC.
Technical specification
- Integrated circuit: BMP388 and BMP390
- Supply voltage: from 3 V to 5 V DC
- Communication interface: SPI / I2C
- I2C interface address: 0x77
- Sensor BMP388 and BMP390:
- pressure measurement range: from 300 hPa to 1250 hPa
- relative accuracy of pressure measurement: ± 0.08 hPa (at altitude ± 0.66 m, pressure from 900 hPa to 1100 hPa and temperature from 25°C to 40°C)
- absolute pressure measurement accuracy: ± 0.5 hPa (at a temperature of -20°C to 65°C and a pressure of 300 hPa to 1100 hPa)
- temperature: 0°C to 65°C
- temperature measurement accuracy: ± 0,5°C
- maximum sampling frequency: 200 Hz
- Connectors: STEMMA QT / Qwiic
