Temperature and humidity sensor DHT22

Features

Relative measurement of humidity and temperature;
Calibrated digital signal;
Long-term stability;
No additional components required;
Long transmission distance;
Low power consumption;

Specifications

Power supply: 3.3 V DC - 5.5 V DC;
Humidity range: 0-99.9% RH;
Temperature range: -40 ° C to + 80 ° C;
Accuracy: ± 2% RH, ± 0.5 ° C;
Exit: Digital;
Communication protocol: 1 Wire;
Dimensions: 38x16x10 mm.

Wiring

Tutorial & Project

https://create.arduino.cc/projecthub/attari/temperature-monitoring-with-dht22-arduino-15b013

Data sheet

https://www.sparkfun.com/datasheets/Sensors/Temperature/DHT22.pdf