DHT22 temperature-humidity sensor + extras [AF-385]

DHT22 temperature-humidity sensor + extras

DHT22 temperature-humidity sensor + extras [AF-385]

Price: $22.44
Fastest delivery: Wednesday, 1st December
Order before 2pm Monday, 29th November
We have 1 in our Sydney warehouse.
Need more than 1 unit?
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Description

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). 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, 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 rightmost 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 an Adafruit Learning System guide with schematics, Arduino & CircuitPython code, datasheets and more!

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.

Ask us about the Temperature and Humidity Sensor

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Ordering more than 1?

We can get a further 14 units from Adafruit
Shipping: Adafruit (🌐) → Little Bird (SYD) → You
If you order more than 1 units your estimated delivery is: Wednesday, 8th December — Tuesday, 28th December.
This is an estimate only and delivery times vary.

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