Buy DHT22 temperature-humidity sensor + extras ADA385 in Australia – Pakronics®
 
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DHT22 temperature-humidity sensor + extras

$22.13 AUD Inc. GST


SKU ADA385
Ships in 7 to 10 days 50 units

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The DHT22 is a basic, 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.

Simply connect the first pin on the left to 3-5V power, the second pin to your data input pin and the right most pin to ground. Although it uses a single-wire to send data it is not Dallas One Wire compatible! If you want multiple sensors, each one must have its own data pin! We have written an Arduino library with example code

Compared to the DHT11, this sensor is more precise, more accurate and works in a bigger range of temperature/humidity, but its larger and more expensive

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

Technical Details

  • Low cost
  • 3 to 5V power and I/O
  • 2.5mA max current use during conversion (while requesting data)
  • Good for 0-100% humidity readings with 2-5% accuracy
  • Good for -40 to 80°C temperature readings ±0.5°C accuracy
  • No more than 0.5 Hz sampling rate (once every 2 seconds)
  • Body size 27mm x 59mm x 13.5mm (1.05" x 2.32" x 0.53")
  • 4 pins, 0.1" spacing
  • Weight (just the DHT22): 2.4g

Downloads:

DHT22 datasheet

Arduino library and example code

Detailed usage tutorial

Shipping rates Australia wide

Australia wide
Express Post* Regular Post Courier
Up to 500 gms $10.89 $6.59 $20
Up to 3 kg $16.39 $11.43 $25
Up to 5 kg $32.89 $22 NA
Above 5 kg
Estimated at checkout

    Shipping rates to New Zealand

    New Zealand
    Australia Post international service
    Up to 500 gms $18.00
    Up to 1 kg $30.00
    Above 1 kg
    Available on request

     

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    Dispatch time

    Unless expressly agreed otherwise with you, we will not commence delivery of an order until we have received cleared payment of the purchase price in full.

    All orders placed before 11 am AEST (Monday to Friday) will ordinarily be processed on the same day.

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