//2021230037
//Muhammad Raqhib Hamdi
//Teknologi Informasi
//Universitas Darma Persada
//Kamis 16 Mei 2024
//Lab 7.4



#include <ESP32Servo.h>
#define SERVO_PIN       2
#define RELAY_PIN       26
#define HALOGEN_PIN     4
#define LDR_PIN         34

Servo servoMotor;

void setup() {
  pinMode(RELAY_PIN, OUTPUT);
  pinMode(HALOGEN_PIN, OUTPUT);
  pinMode(LDR_PIN, INPUT);
  servoMotor.attach(SERVO_PIN);
  Serial.begin(9600);
  Serial.println("Greenhouse Control System Initialized");
}

float analogToLux(int analogValue) {
  float voltage = analogValue * (3.3 / 4095.0);
  float lux = 10000 / voltage;
  return lux;
}

void loop() {
  int lightIntensity = analogRead(LDR_PIN);
  float lux = analogToLux(lightIntensity);
  Serial.print("Intensitas Cahaya (Lux): ");
  Serial.println(lux);
  
  if (lux >= 3170 && lux <= 6700) {
    servoMotor.write(0);
    digitalWrite(RELAY_PIN, LOW);
    digitalWrite(HALOGEN_PIN, LOW);
    Serial.println("Roof Dibuka. UV Lampu Mati. Halogen Lampu Mati.");
  } else if (lux > 6700) {
    servoMotor.write(90);
    digitalWrite(RELAY_PIN, HIGH);
    digitalWrite(HALOGEN_PIN, LOW);
    Serial.println("Roof Ditutup. UV Lampu Menyala. Halogen Lampu Mati.");
  } else {
    servoMotor.write(0);
    digitalWrite(RELAY_PIN, LOW);
    digitalWrite(HALOGEN_PIN, HIGH);
    Serial.println("Roof Dibuka. UV Lampu off. Halogen Lampu Menyala.");
  }
  delay(1000);
}