BMP390 Barometric Pressure Sensor

The BMP390 is a 24-bit absolute barometer sensor distinguished by its ultra-small form factor, low power consumption and low noise. This high-performance digital sensor is ideal for a variety of altitude 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 and more. 

Documentation: 

• Waveshare Wiki

Technical Details: 

• Manufacturer: Waveshare 
  
• Manufacturer SKU: 24658 
  
• Operating voltage: 5V/3.3V 
  
• Communication Interface: I2C/SPI 
  
• Average Operating Current: 3.2μA (1Hz) 
  
• Barometric Range of Detection: 300~1250hPa 
  
• Absolute Accuracy of Barometric Pressure: ±0,50hPa (P=300~1100 hPa T=0~65 °C) 
  
• Relative Accuracy of Barometric Pressure: ±0,03hPa (P=700~1100 hPa T=25~40°C) 
  
• Deviation of the Temperature Coefficient: ±0.6Pa/K (25~40°C at 900 hPa) 
  
• Absolute Temperature Accuracy: ±1.5°C (0~65°C) 
  
• Resolution Supported: 0.016Pa (in high precision mode) 
  
• Possible Sample Rates: 200Hz 
  
• Operating Temperature: -40~85°C 
  
• Dimensions: 32 x 20 x 7.3mm 
  
• Weight: 8g 

Package Includes: 

• 1x BMP390 Barometric Pressure Sensor 
• 1x 5Pin PH2.0mm to  Female Dupont Cable 20cm