10pcs CJMCU-BME280 Embedded High Precision Atmospheric Pressure Altitude Sensor Module For Arduino

Features:

- Package 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
- Digital interface I2C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
- Supply voltage VDD main supply voltage range: 1.71 V to 3.6 V
- VDDIO interface voltage range: 1.2 V to 3.6 V
- Current consumption:  1.8 μA @ 1 Hz humidity and temperature
                                            2.8 μA @ 1 Hz pressure and temperature
                                            3.6 μA @ 1 Hz humidity, pressure and temperature
                                            0.1 μA in sleep mode
- Operating range -40~+85 °C, 0~100 % rel. humidity, 300~1100 hPa
- Humidity sensor and pressure sensor can be independently enabled / disabled
- Register and performance compatible to Bosch Sensortec BMP280 digital pressure sensor
- RoHS compliant, halogen-free, MSL1

Parameters for humidity sensor:

- Response time: 1s
- Accuracy tolerance: ±3 % relative humidity
- Hysteresis: ±1% relative humidity

Parameters for pressure sensor:

- RMS Noise 0.2 Pa, equiv. to 1.7 cm
- Offset temperature coefficient ±1.5 Pa/K, equiv. to ±12.6 cm at 1 °C temperature change

Package included:

10 x Sensor