#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>
#include <dht.h>
dht DHT;
int dehumidifier = 10;
#define DHT22_PIN 3
LiquidCrystal_I2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);

void setup() 
{
 lcd.setBacklightPin(3, POSITIVE);
 lcd.setBacklight(HIGH);
 lcd.begin (16,2);
 Serial.begin(9600);
 pinMode(dehumidifier, OUTPUT);
 }

void loop() 
{
 int chk = DHT.read22(DHT22_PIN);
 float temp=(DHT.temperature);
 float Hum=(DHT.humidity);
 
 lcd.print("Temp         C  ");
 lcd.setCursor(6,0);
 lcd.print(temp);
 lcd.setCursor(0,1);
 lcd.println("Hum          %  ");
 lcd.setCursor(6,1);
 lcd.print(Hum);
 delay(1000);

 if (DHT.humidity>50) {
 digitalWrite(dehumidifier, HIGH);
 } else {
 digitalWrite(dehumidifier,LOW);
}
}