DHT-11 Digital Temperature And Humidity Sensor
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
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DHT-11 Digital Temperature And Humidity Sensor

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  • Product SKU: KG059
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Specification

Description

The DHT-11 Digital Temperature And Humidity Sensor is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin (no analog input pins needed).

This Digital Temperature Humidity Sensor is 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, so in your code please use sensor reading interval at 2 seconds or more. Compared to the DHT22, this Digital Temperature & Humidity Sensor kit is less precise, less accurate, and works in a smaller range of temperature/humidity.

  • The DHT11 is a pre-calibrated digital output temperature and humidity sensor.
  • The single-wire wiring scheme makes it easy to be integrated into other applications.
  • The simple communication protocol greatly reduces the programming effort required.
  • Easy to us

Technical Details

  • Humidity Measuring Range(%) : 20 to 90
  • Temperature Measuring Range(°C) : 0 to +50
  • Humidity Measurement Accuracy(%) : ±5.0
  • Temperature Measurement Accuracy(°C) : 3±2.0/li>
  • Response Time(s) : <5

Physical Attributes

  • Length * Width * Height (mm): 23 x 12 x 5.5
  • Weight (gm) : 1

Integration with Arduino


Sample Code


Integration with Rasberry PI


Sample Code

Application

  • Measure temperature and humidity
  • Local Weather station
  • Automatic climate control
  • Environment monitoring

Additional Details

  • Low power consumption.
  • Relative humidity and temperature measurement
  • All calibration, digital output
  • Excellent long-term stability
  • No additional components
  • Long distance signal transmission
  • Ultra-low power
  • 4-pin package
  • Completely interchangeable

Product Video

Documentation

Customer Reviews

Based on 6 reviews
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s
sevak @ pitambar lal
Great working just fine

Great working just fine. DHT22 has higher resolution. The DHT11 is 1C and 1% steps.The pins are thin so they dont like being pushed into breadboard.

s
sanjay kumar @ pappu
Five Stars

Excellent product, just as described, good quality.

j
jitender rajak
They work great, going to use them to make controller for ...

I can't believe how inexpensive these are. They work great, going to use them to make controller for humidifier with arduino controller.

a
anoop singh
Five Stars

Worked perfect. Big savings.

r
ram ldaike
These appear to be fine. Pins are standard thickness for dht 11 and ...

These appear to be fine. Pins are standard thickness for dht 11 and dht 22. That being said they are thin and will not make great contact in a breadboard. Solder on some wires and move along.

t
tufel
Five Stars

best packaging I have ever seen on somehing like this, not that is really important good effort