#include <dht.h>

dht DHT;

#define DHT22_PIN 3
int dehumidifier = 10;

void setup() 
{
 Serial.begin(9600);
 pinMode(dehumidifier, OUTPUT);
}

void loop() 
{
 int chk = DHT.read22(DHT22_PIN);
 delay(1000);
 if (DHT.humidity>60) {
 digitalWrite(dehumidifier, HIGH);
 } else {
 digitalWrite(dehumidifier,LOW);
}
}