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

Description

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:

1 x Sensor