//LCD KODE
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
float suhu;
int pinSensor = A0;
//DHT 22
#include "DHT.h"
#define DHTPIN 5
#define DHTTYPE DHT22
DHT dht (DHTPIN,DHTTYPE);
void setup() {

//DHT 22
Serial.begin(9600);
dht.begin();

//LCD
lcd.init();
lcd.print("DHT 22");
lcd.setCursor(0,1);
lcd.print("DHT 22 LCD 16x2");
delay(4000);

}


void loop() {

//DHT 22
delay(200);
float h=dht.readTemperature();//Humadity kelembapan
Serial.println(h);
if (h>= 32 ){digitalWrite(3, HIGH);}
if (h<= 32 ){digitalWrite(3, LOW);}

//LCD
lcd.clear();
suhu = bacaSuhu();
lcd.setCursor(0, 0);
lcd.print("suhu saat ini");
lcd.setCursor(0, 1); 
lcd.print(suhu, 1);
lcd.print((char)223); 
lcd.print("C"); 
delay(1000);

//buzzer
if (h>= 45){digitalWrite(4, HIGH);}
if (h<=45){digitalWrite(4, LOW);}

}
 
//BACA DHT 22 TO LCD
float bacaSuhu() {
  int ip_adc_val = 0;
  float suhu = 0;
  suhu = (5.0 * analogRead(pinSensor)* 100.0) / 1024;
  return suhu;
}