Product description: Fermion - AHT20 temperature and humidity sensor - DFRobot SEN0527
The Fermion series tile is equipped with the AHT20 system, which allows for precise measurements of air temperature and humidity . The module uses the I2C bus and the interface address is 0x38 . Provides stable measurement , also under unfavorable environmental conditions. The possible temperature measurement is in the range from -40 ° C to 85 ° C with an accuracy of 0.3 ° C , and humidity in the range from 0% to 100% RH with an accuracy of 2% RH . The module is supplied with the voltage from 2 V or 5 V DC .
The product is compatible with Arduino!
The manufacturer has prepared a detailed user guide that contains useful information to help you get started with the module. Check!
Elements included in the kit.
Fermion - temperature and humidity sensor AHT20 - DFRobot SEN0527.
Special features of the sensor
- It has a modernized MEMS module for measuring air humidity
- It uses the I2C digital interface
- Provides a precise and stable reading of the values
- Demonstrates anti-disturbance and has the ability to adapt
Suggested use of the AHT20 sensor
- Air dryer and application prototypes
- Consumer devices, e.g. cars
- Automatic control, e.g. of the weather
- Data recorders
Pinout description and connection diagram
The module communicates with the microcontroller via the I2C interface. The board is powered with the voltage from 2 V to 5 V. Its leads are solder fields, to which the goldpin connectors included in the set should be soldered and connected according to the following dependency:
- VCC - power pin from 2 V to 5 V DC
- GND - the ground of the system
- SCL - clock line of the I2C bus
- SDA - data line of the I2C bus
Kit contents
- Fermion - AHT20 temperature and humidity sensor - DFRobot - 1 piece
- Goldpin strip 1x4 pin - 2.54 mm raster - 1 piece
Connection diagram of the sensor using the DFRduino board.
Temperature and humidity sensor equipped with the AHT20 system.
Technical specification of the sensor
- Type: air temperature and humidity sensor
- Built-in chip: AHT20
- Supply voltage: 2 V to 5 V DC
- Communication interface: I2C bus
- Interface address: 0x38
- Temperature measurement:
- range: -40 ° C to 85 ° C
- accuracy: up to 0.3 ° C
- resolution: 0.01 ° C
- response time: from 5 s to 30 s
- Moisture measurement:
- range: 0% to 100% RH
- accuracy: up to 2% RH
- resolution: 0.024% RH
- response time: 8 s
- Conclusions: pads
- Tile sizes: 22 x 13.5 mm
