#include <DHT.h>
#define dhtpin 3 //connect dht sensor pin 3
#define dhttype DHT11  // define dhttype 
DHT dht=DHT(dhtpin,dhttype);
int motor=5; // motor connect pin 5
void setup() {
  // put your setup code here, to run once:
pinMode(dhtpin,INPUT);
pinMode(motor,OUTPUT);
dht.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
float t=dht.readTemperature();
if(t<=25)
{
  analogWrite(motor,0);
}
else if(t<=35)
{
analogWrite(motor,100);
}
else if (t<=45)
{
  analogWrite(motor,170);
}
else
{
  analogWrite(motor,255);
}
}