GY-BME280-3.3V/GY-BME280-5V

The BME280 is a small package low power digital and digital composite sensor that measures ambient temperature and humidity and atmospheric pressure. It is backward compatible with BMP280, and the air pressure temperature register control and data readout operations are the same. The humidity sensor has fast wake-up and response time, high precision and wide temperature working range; the barometric sensor is a piezoresistive low-noise high-precision high-resolution absolute atmospheric pressure sensing element; the temperature sensing element has low-noise high-resolution characteristics. The temperature value can be self-corrected for temperature compensation of humidity and air pressure. The humidity sensing element and the air pressure sensing element can be independently enabled/disabled. The sample rate of sensitive components can be set by configuring the sample rate register. Ideal for mobile devices with limited space, such as smart phones, tablets, smart watches and wearables, weather forecasts, vertical speed indicators, flight control devices, indoor and outdoor navigation, and smart home devices.

• Dimensions: 15.4mm (length) * 11.6mm (width) * 2.4mm (height)

• Digital interface type: IIC (slave mode 3.4MHz) or SPI (3-wire or 4-wire slave mode 10MHz)

• Relative humidity measurement range: 0%～100% Humidity response time: greater than 1s

• Humidity measurement error: ±2%; humidity hysteresis: ±1%; resolution 0.8%

• Air pressure measurement range: 300 ~ 1100hPa (hPa)

• Air pressure measurement error: ±1hPa resolution 0.18Pa

• Temperature measurement range: 0 ° C ~ 65 ° C

• Temperature measurement error: ±0.5°C MAX±1°C; resolution 0.1°C

• Working voltage: 3.3V

• With M3 fixing screw hole for easy installation and fixing.

GY-BMP280

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