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 AHT20 I2C temperature and humidity sensor High Precision Digital module arduino
AHT20 I2C temperature and humidity sensor High Precision Digital module arduino
MPN :
SKU : AHT20-K156
Stock : 31pcs
Price:PKR 300.00
AHT20 I2C temperature and humidity sensor High Precision Digital module arduino


The AHT20 is a nice but inexpensive temperature and humidity sensor from the same folks that brought us the DHT11 and DHT22. You can take sensor readings as often as you like, and it uses standard I2C so its super easy to use with any Arduino or Linux/Raspberry Pi board.
AHT20, as a new generation of temperature and humidity sensors, has established a new standard in size and intelligence. 
The sensor outputs calibrated digital signals in standard I2C format. 
AHT20 is equipped with a newly designed ASIC chip, an improved MEMS semiconductor capacitive humidity sensing element and a standard on-chip temperature sensing element.


This sensor has a typical accuracy of +- 2% relative humidity, and +-0.3 °C at 20-80% RH and 20-60 °C. There is only one I2C address so it's not a good option when you need multiple humidity sensors.


Use with 3.3V or 5V power/logic
I2C address 0x38
Operational Temperature range: -40 to 85 °C (+-1 °C typical accuracy over entire range)
Operational Relative Humidity range: 0 to 100 RH% (+-3 % typical accuracy over entire range)
Supply voltage DC : 2.0 – 5.5V
Humidity accuracy ± 2 % RH ( 25 ? )
Temperature accuracy ± 0.3 ?
Resolution temperature: 0.01? Humidity: 0.024%RH
Response time temperature: 5s humidity: 8s 1/e (63%)
Output signal I2C signal
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