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艾尔赛BME280大气压强传感器模块同时提供I2C和SPI通信协议，包含温湿度传感器和压力传感器，具有灵敏度高、体积小和低功耗损耗等优点。
产品特性：
感测大气压强：能对大气压强进行感测
感测温湿度：能对温湿度进行感测
模块工作电压：模块工作电压为3.3V-5V
BME280模块详细的参数介绍：
- 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
