DFRobot Gravity - BME280 humidity, temperature and pressure sensor 110kPa I2C / SPI 3-5V

Description

The DFRobot module is equipped with a sensor of humidity, temperature and pressure, powered with the voltage from 3.3 V to 5 V with the I2C and SPI interface. Measuring range: temperature: -40 °C to 85 °C, humidity: 0 %RH to 100 %RH, pressure: from 300 hPa to 1100 hPa.

Module works withArduino. The kit includes a cable adapted to DFRobot GravityIO Expansion Shield.

Connecting I2C

On the diagram shown is the connection of the module to the minicontroller Arduino through the I2C bus.

 

Name

Description

+ The module's supply voltage ranges from 3.0 V to 5.0 V. - The ground of the system. C Clock line of the I2C SDL bus D The data line of the I2C SDA bus SPI connection 

The diagram shows the connection of the module for Arduino minicontrolleron the SPI bus.

Name

Description

VCC The module's supply voltage ranges from 3.0 V to 5.0 V. GND The ground of the system. MOSI Output of the data line. CS Often active low SCLK Clock line of the SPI bus MISO Input data line. Specification

• Working voltage: 3.3 V to 5 V
• Current: 2 mA
• Operating temperature: -40 °C to 85 °C
• The temperature measuring range: -40 °C to 85 °Cwith an accuracy of 0.1℃
• Measuring range of humidity: 0 %RH to 100 % RH with an accuracy of 0.1% RH
• Measuring range of pressure: from 300 hPa to 1100 hPa
• Sampling time of humidity: 1 sec.
• Dimensions: 22 x 25 mm
• Weight: 12 g

Useful links

• The website of the manufacturer of DFRobot SEN0236
• User guide Wiki
• Diagram
• Layout
• Documentation
• GitHub