WaveShare BMP390 Barometric Pressure Sensor

The BMP390 is a 24-bit absolute barometric sensor that features an ultra-small form factor, low power consumption, and low noise. This high-performance digital sensor is ideal for a wide range of height measurement applications. It supports both I2C and SPI interfaces and is compatible with 3.3V/5V voltage levels. It can be easily integrated into projects such as GPS modules, wearables, acoustic devices, and drones, and is suitable for applications such as accurate altimeters, environmental monitoring, and IoT projects.

Features:

• Onboard voltage translator and compatible with 3.3V/5V operating voltage.
• Compatible with Arduino, Raspberry Pi, Raspberry Pi Pico, ESP32, etc.

Technical Details:

• Manufacturer: Waveshare
• Manufacturer SKU: 24658
• Operating voltage: 5V/3.3V
• Communication interface: I2C/SPI
• Average operating current: 3.2μA (1Hz)
• Barometric sensing range: 300–1250 hPa
• Absolute accuracy of barometric pressure: ±0.50 hPa (P=300–1100 hPa T=0–65 °C)
• Relative accuracy of barometric pressure: ±0.03 hPa (P=700–1100 hPa T=25–40 °C)
• Temperature coefficient deviation: ±0.6 Pa/K (25–40 °C at 900 hPa)
• Absolute temperature accuracy: ±1.5 °C (0–65 °C)
• Resolution support: 0.016 Pa (in high precision mode)
• Possible sampling rates: 200 Hz
• Operating temperature: -40–85 °C
• Dimensions: 32 x 20 x 7.3 mm
• Weight: 8 g

Included in delivery:

• 1x BMP390 barometric pressure sensor
• 1x 5-pin PH2.0mm to female Dupont cable 20 cm.