艾爾賽BME280大氣壓強傳感器模塊同時提供I2C和SPI通信協(xié)議，包含溫濕度傳感器和壓力傳感器，具有靈敏度高、體積小和低功耗損耗等優(yōu)點。

產(chǎn)品特性：

感測大氣壓強：能對大氣壓強進行感測

感測溫濕度：能對溫濕度進行感測

模塊工作電壓：模塊工作電壓為3.3V-5V

BME280模塊詳細的參數(shù)介紹：

• Humidity sensor

Response time (τ63%) 1sAccuracy tolerance ± 3 % relative humidityHysteresis ≤ 2 % relative humidityPressure sensor
Pressure range 300 … 1100 hPa (equiv. to +9000…-500 m above/below sea level)
Relative accuracy ±0.12 hPa, equiv. to ±1 m (950 … 1050hPa @25°C)
Absolute accuracy typ. ±1 hPa (950 ...1050 hPa, 0 ...+40 °C)

• Temperatur Sensor

Operating range Operational -40°C - +85°C / Full accuracy 0°C - +65°C

• Digital interfaces I2C (up to 3.4 MHz) / SPI (3 and 4 wire, up to 10 MHz)
• Current consumption 2.7μA @ 1 Hz sampling rate

BME280模塊電路原理圖、PCB截圖：