Look like you might be using the wrong library, or have the wrong library installed.
#include <dht.h> //Library for dht11 Temperature and Humidity sensor (Download from Link in article)
This is not DHT.h
Look like you might be using the wrong library, or have the wrong library installed.
#include <dht.h> //Library for dht11 Temperature and Humidity sensor (Download from Link in article)
This is not DHT.h