#include <DHT.h>
DHT dht(14, DHT22);

int ledM = 19; //lampu merah
int ledH = 18; //lampu hijau
int ledB = 16; //lampu Biru

int pinbuz = 17;
int chanbuz = 0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  dht.begin();
  pinMode(ledM, OUTPUT);
  pinMode(ledH, OUTPUT);
  pinMode(ledB, OUTPUT);

  ledcAttachPin(pinbuz, chanbuz);
}

void loop() {
  delay(1000); 
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();

  Serial.print("Suhu: ");
  Serial.println(temp);
  Serial.print("Kelembapan: ");
  Serial.println(hum);

//untuk suhu normal 15 sampai 35 derajat celcius
  if (temp >= 15 && temp <= 35) {
    digitalWrite(ledM, LOW);
    digitalWrite(ledH, HIGH);
    digitalWrite(ledB, LOW);
    ledcWriteTone(chanbuz, 0); 

//untuk peringatan suhu lebih 35 derajat
  } else if (temp >35 && temp <=40) {
    digitalWrite(ledH, LOW);
    digitalWrite(ledM, HIGH);
    digitalWrite(ledB, LOW);
    ledcWriteNote(chanbuz, (note_t)NOTE_E, 6);

//untuk peringatan suhu kalo dibawah 15 derajat
  } else if (temp < 15 && temp >= 10) {
    digitalWrite(ledM, LOW);
    digitalWrite(ledH, LOW);
    digitalWrite(ledB, HIGH);
    ledcWriteNote(chanbuz, (note_t)NOTE_E, 5); 

//untuk suhu kritis kalo diatas 40 atau di bawah 10 derajat
  } else if (temp > 40 || temp < 10) {
    digitalWrite(ledH, LOW);
    digitalWrite(ledM, HIGH);
    digitalWrite(ledB, HIGH);
    ledcWriteNote(chanbuz, (note_t)NOTE_E, 6); 
    delay(100);
    ledcWriteNote(chanbuz, (note_t)NOTE_E, 5); 
    delay(100);
    ledcWriteNote(chanbuz, (note_t)NOTE_E, 7); 

    }
}