DHT22 Digital Temperature and Humidity Sensor Module

DHT-22 DHT 22 DHT22 Digital Temperature and Humidity Sensor Module Module is available in pakistan and 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 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!

Specifications and Features:

1. High precision
2. Capacitive type
3. Full range temperature compensated
4. Relative humidity and temperature measurement
5. Calibrated digital signal
6. Outstanding long-term stability
7. Extra components not needed
8. Long transmission distance
9. Low power consumption
10. 4 pins packaged and fully interchangeable
11. Measuring range: temperature -40-80 ℃; humidity 0; 99.9%RH
12. Measurement accuracy (25℃): temperature: 0.5; humidity: 2%RH (10; 90%RH)
13. Resolution: temperature: 0.1 ℃, humidity: 0.1%RH
14. Attenuation value: temperature: <1℃ / year; humidity: < 1%RH/ years
15. Sensor type: temperature: resistance type sensor; humidity: capacitive sensor
16. Response time: temperature: 5S; humidity: 5S 1/e (63%)
17. Work within the scope: -40-80℃
18. Power source: DC3.3-5.5V
19. Shell material: PC plastic
20. Weight:1g
21. Color: White

Package Includes:

1 x DHT22 Digital Temperature and Humidity Sensor Module