Dht11 Basic Temp Humidity Sensor

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Dht11 Basic Temp Humidity Sensor

Dht11 Basic Temp Humidity Sensor

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Adafruit Accessories DHT11 Basic Temp Humidity Sensor


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The DHT11 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 . Its 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 when using our library, sensor readings can be up to 2 seconds old. Compared to the DHT22, this sensor is less precise, less accurate and works in a smaller range of temperature/humidity, but its smaller and less expensive

We have a Adafruit Learning System guide with schematics, Arduino CircuitPython code, datasheets and more!

Comes with a 4.7K or 10K resistor, which you will want to use as a pullup from the data pin to VCC.

Dht11 Basic Temp Humidity Sensor
  • Product - Sensors
  • Type - Board Mount Humidity Sensors
  • Brand - Adafruit
  • Manufacturer - Adafruit
  • Product Type - Accessories
  • Standard Pack Qty - 25
  • Subcategory - Supplies