#include "DHT.h"
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define DHTPIN 4
#define TAMPIL_SERIAL true

#define DHTTYPE DHT11

LiquidCrystal_I2C lcd(0x27, 20, 4); // Alamat I2C, jumlah kolom, jumlah baris
DHT dht(DHTPIN, DHTTYPE);
int sensorPin = A3;
const int potPin=A0;
float ph;
float Value=0;

const byte KARAKTER_DERAJAT = 0;
byte derajat[] = {
  B00111,
  B00101,
  B00111,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000
};
int hum = 0, temp = 0;

void setup() {
#if TAMPIL_SERIAL
  Serial.begin(9600);
  Serial.begin(115200);
  pinMode(potPin,INPUT);

  
#endif

  lcd.init();
  lcd.createChar(KARAKTER_DERAJAT, derajat);
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("TEMPERATUR :");
  lcd.setCursor(0, 1);
  lcd.print("KELEMBABAN :");
   lcd.setCursor(0, 2);
  lcd.print("Ph         :");
  lcd.setCursor(0, 3);
  lcd.print("Kualitas   :");

  dht.begin();
}

void loop() {
  delay(2000);  // Delay untuk 

  hum = dht.readHumidity();
  temp = dht.readTemperature(); // Baca temperatur dalam celcius (default)
  Value= analogRead(potPin);
    Serial.print(Value);
    Serial.print(" | ");
    float voltage=Value*(3.3/4095.0);
    ph=(3.3*voltage);
    Serial.println(ph);
    delay(500);
    int sensorValue = analogRead(sensorPin);
    Serial.println(sensorValue);
    int turbidity = map(sensorValue, 0, 750, 100, 0);
    delay(100);
  

  if (isnan(hum) || isnan(temp)) {
#if TAMPIL_SERIAL
  Serial.println(F("Failed to read from DHT sensor!"));
#endif
    return;
  }

  lcd.setCursor(13, 0);
  lcd.print(temp);
  lcd.setCursor(13, 1);
  lcd.print(hum);
  lcd.setCursor(13, 2);
  lcd.print(ph);
  lcd.setCursor(13, 3);
  lcd.print(turbidity);
  

  if(temp < 10){
    lcd.setCursor(14, 0);
  }else{
    lcd.setCursor(15, 0);
  }
  lcd.write(KARAKTER_DERAJAT);

  if(temp < 10){
    lcd.setCursor(15, 0);
  }else{
    lcd.setCursor(16, 0);
  }
  lcd.print("C");

  if(hum < 10){
    lcd.setCursor(14, 1);
  }else{
    lcd.setCursor(15, 1);
  }
  lcd.print("%");
  if (turbidity < 20) {
    lcd.setCursor(12, 3);
    lcd.print(" Jernih ");
    Serial.print(" Jernih ");
  }
  if ((turbidity > 20) && (turbidity < 50)) {
    lcd.setCursor(12,3);
    lcd.print(" Keruh ");
    Serial.print(" Keruh ");
  }
  if (turbidity > 50) {
    lcd.setCursor(12, 3);
    Serial.print(" Kotor ");
  }

#if TAMPIL_SERIAL
  Serial.println("\n================");
  Serial.print(F("Kelembababan: ")); Serial.print(hum); Serial.println("%");
  Serial.print(F("Temperature: ")); Serial.print(temp); Serial.println(F("°C"));
  Serial.print(F("Ph: ")); Serial.println(ph);
  Serial.print(F("Turbidity: ")); Serial.println(turbidity);
#endif
}