//suhu kandang ayam
//Oleh Hendry Kurniawan
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "DHTesp.h"
const int DHT_PIN = 15;
const int LED_BIRU = 32;
const int LED_KUNING = 19;
const int LED_MERAH = 5;
const int BUZZER = 4;
DHTesp dhtSensor;

#define LEBAR_LAYAR 128 // Lebar layar OLED yang digunakan
#define TINGGI_LAYAR 64 // Tinggi layar OLED yang digunakan


Adafruit_SSD1306 oled(LEBAR_LAYAR, TINGGI_LAYAR, &Wire, -1);

void setup() {
  pinMode(LED_BIRU, OUTPUT);
  pinMode(LED_KUNING, OUTPUT);
  pinMode(LED_MERAH, OUTPUT);
  pinMode(BUZZER, OUTPUT);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Serial.begin(115200);

  oled.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  oled.clearDisplay(); // clear display
  oled.setTextSize(1);         // Atur ukuran text
  oled.setTextColor(WHITE);    // Atur warna text
  oled.setCursor(0, 10);       // Atur posisi text pada display
  oled.display();
}

void loop() 
{
  float temp = dhtSensor.getTemperature();
  oled.clearDisplay(); 
  oled.setTextSize(1);         
  oled.setTextColor(WHITE);    
  oled.setCursor(25, 10);       
  oled.print("Suhu: ");
  oled.print(temp);
  oled.print(" C ");

  if(temp < 29)
  {
    digitalWrite(LED_BIRU, HIGH);
    digitalWrite(LED_KUNING, LOW);
    digitalWrite(LED_MERAH, LOW);
    oled.setCursor(7, 30); 
    oled.print("SUHU RENDAH");
  }
 
 if((temp >= 29) && (temp <= 35))
  {
    digitalWrite(LED_BIRU, LOW);
    digitalWrite(LED_KUNING, HIGH);
    digitalWrite(LED_MERAH, LOW);
    oled.setCursor(30, 30); 
    oled.print("SUHU CUKUP");
  }

  if(temp > 35)
  {
    digitalWrite(LED_BIRU, LOW);
    digitalWrite(LED_KUNING, LOW);
    digitalWrite(LED_MERAH, HIGH);
    oled.setCursor(9, 30); 
    oled.print("SUHU TINGGI");
    tone(BUZZER, 800, 300);
    delay(300);
    tone(BUZZER, 1500, 300);
    delay(300);

  }
oled.display();
}