DHT22 Digital Temperature Humidity Sensor Module

280.00৳ 

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Schedule Pick up from store

Free

  • Inside Dhaka Metro

Inside Dhaka Metro city

24 Hours

60tk

  • Outside Dhaka metro

Outside Dhaka Metro

24 Hours

100tk

  • Outside Dhaka

All Bangladesh 

1-2 Days

130tk

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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.

 

  • Power supply: 3- 5V.
  • Current: 2.5mA max use of current during conversion (while requesting data).
  • Humidity: 0 – 100%, ± 2%.
  • Temperature: -40°C + 125°C, ± 0.5%.
  • The sampling rate no more than 0.5 Hz (once every 2 seconds).

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