Gravity - AHT20 temperature and humidity sensor - DFRobot SEN0528

The Gravity series module is equipped with the AHT20 system enabling precise measurement of air temperature and humidity . It has a modern, semiconductor, capacitive humidity sensor operating in the MEMS technology. It communicates via the I2C bus, and the interface address is 0x38 . Provides stable measurement , also under unfavorable environmental conditions. It allows you to measure temperature 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 .

Elements included in the kit.

Gravity - AHT20 temperature and humidity sensor - DFRobot SEN0528.

• Equipped with a modernized MEMS module
• It uses the I2C digital interface
• Provides precise and stable measurement, regardless of environmental conditions
• Demonstrates anti-disturbance and has the ability to adapt
• Equipped with a Gravity connector for quick and easy prototyping

• Air dryer and application prototypes
• Consumer devices, e.g. cars
• Automatic control, e.g. of the weather
• Data recorders

• Gravity - AHT20 temperature and humidity sensor - DFRobot - 1 piece
• I2C / UART connecting cable with Gravity connector - 4pin - 1 piece

• 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
• Connector: Gravity
• Tile sizes: 30 x 20.5 mm

Connection diagram of the sensor using the DFRduino board.

• Manufacturer's website: DFRobot SEN0528
• User Guide
• Tile dimensions
• SCH circuit diagram
• 3D model