DHT11- The basic Temperature and Humidity Sensor

DHT11- The basic temperature and humidity sensor

DHT11 –Temperature & Humidity Sensor


Application:  Measure surrounding Temperature and Humidity

Output type:                     Digital

Measurement Range:   For Temperature- 0℃~50℃

For Humidity – 20%~95 %( percentage)

Measurement error:     For Temperature: ±2 ℃

For Humidity: ±5%

Operating voltage:         3.3 V~5 V

Datasheet/Information document: DHT11 humidity & temperature Sensor

Compatible with:           Arduino board & other development board

Seller (Buy at):  



  • DHT11 is a very popular and very low-cost digital temperature and humidity sensor.
  • It uses a capacitive humidity sensor, and a thermostat to measure the surrounding air temperature.
  • The result is available via a digital signal on the data pin (no analog input pins needed).
  • It’s fairly simple to use but requires careful timing to grab data.
  • The only real downside of this sensor is you can only get new data from it once every 2 seconds. But, for most applications, this is not an issue at all.

For more sensor click here

See also : Temperature Humidity Measurement using Arduino


Featured Image credit: DHT 11 Temperature Humidity Sensor(D-Robotics UK)


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