Waveshare BMP388 High Precision Barometric Pressure Sensor, Accurate Altitude Tracing BMP388 High Precision Barometric Pressure Sensor, Altitude Barometric Pressure Temperature Measuring, I2CSPI Interface Overview 1. This is a 24-bit high precision barometric pressure sensor, which allows accurate altitude tracing, as well as barometric pressure temperature measuring. It supports both I2C and SPI interfaces, also is compatible with 3.3V5V voltage levels. 2. Due to its ultra small form factor, low power consumption, low noise and high precision, the BMP388 Barometric Pressure Sensor is suited for applications such as drones, accurate altimeter, environment monitoring, and IoT projects, and so on. Features 1. Supports I2C (default) SPI interface 2. Onboard voltage level translator, compatible with 3.3V5V operating voltage 3. Comes with development resources and manual (examples for Raspberry PiArduinoSTM32) Specifications 1. Operating voltage: 3.3V5V 2. Communication interface: I2CSPI 3. Barometric pressure operation range: 300~1250hPa 4. Barometric pressure absolute accuracy: +-0.40hPa (@900~1100hPa, 25~40 degree C) 5. Barometric pressure relative accuracy: +-0.08hPa (@900~1100hPa, 25~40 degree C) 6. Temperature coefficient offset: ±0.75PaK (@700~1100hPa, -20~65 degree C) 7. Temperature absolute accuracy: +-0.5 degree C (0~65 degree C） 8. Possible resolution: 0.016Pa (high precision mode) 9. Possible sampling rate: 200Hz 10. Operating voltage: -40~85 degree C 11. Dimension: 32mm × 20mm 12. Mounting hole size: 2.0mm Pinouts 1. VCC: 3.3V5V power supply 2. GND: Ground 3. SDA: I2C data 4. SCL: I2C clock 5. INT: Interrupt output, can be connected to IO Package Contents 1. BMP388 Barometric Pressure Sensor x1 2. PH2.0 5PIN wire x1