DHT11 temperature and humidity sensor module detects and measures heat/humidity in an environment and converts into a readable electrical signal.It is used in electronic projects like Arduino and Raspberry Pi.It has the following specifications;
Operating voltage=3 to 5.5vdc
Temperature range= 0 to 50 degrees.
Temperature accuracy= + or -2 degrees
Humidity range= 20% to 90% (RH)
Humidity accuracy= + or -5%RH
Current consumption= 0.3mA