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.
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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 |
