#include <LiquidCrystal.h>
#include <DHT.h>
#define DHTPIN 2
#define LED_GREEN 10
#define LED_YELLOW 11
#define LED_RED 12
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHTTYPE);
LiquidCrystal lcd (9, 8, 7, 6, 5, 4);

void setup() {
  Serial.begin(115200);
  Serial.println(F("Tampilan Percobaan DHT22!"));
  lcd.begin(16, 2);
  dht.begin();
  pinMode(LED_GREEN, OUTPUT);
  pinMode(LED_YELLOW, OUTPUT);
  pinMode(LED_RED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  float temperature = dht.readTemperature();
  float suhu = dht.readTemperature();
  float humidity = dht.readHumidity();
  delay(1000);

//Menampilkan di LCD
if (suhu<20){
  digitalWrite(LED_GREEN,HIGH);
  digitalWrite(LED_YELLOW,LOW);
  digitalWrite(LED_RED,LOW);
  lcd.setCursor(0,0);
  lcd.println(F("Suhu="));
  lcd.print(temperature);
  lcd.println(" C");
  lcd.setCursor(0,1);
  lcd.println(F("Lembab="));
  lcd.print(humidity);
  lcd.println(" %");
}
if (suhu<=30 and suhu >=20){
  digitalWrite(LED_GREEN,LOW);
  digitalWrite(LED_YELLOW,HIGH);
  digitalWrite(LED_RED,LOW);
  lcd.setCursor(0,0);
  lcd.println(F("Suhu="));
  lcd.print(temperature);
  lcd.println(" C");
  lcd.setCursor(0,1);
  lcd.println(F("Lembab="));
  lcd.print(humidity);
  lcd.println(" %");
}
if (suhu>30){
  digitalWrite(LED_GREEN,LOW);
  digitalWrite(LED_YELLOW,LOW);
  digitalWrite(LED_RED,HIGH);
  lcd.setCursor(0,0);
  lcd.println(F("Suhu="));
  lcd.print(temperature);
  lcd.println(" C");
  lcd.setCursor(0,1);
  lcd.println(F("Lembab="));
  lcd.print(humidity);
  lcd.println(" %");
}
//Menampilkan di serial monitor
  Serial.println(F("Suhu = "));
  Serial.print(temperature);
  Serial.println(" C");
  Serial.println(F("Kelembaban = "));
  Serial.print(humidity);
  Serial.println(" %");
  delay(2000);
}