#include <LiquidCrystal.h>
#include <DHT.h>

#define DHTPIN1 8      // Digital pin connected to the first DHT sensor
#define DHTPIN2 2      // Digital pin connected to the second DHT sensor
#define DHTTYPE DHT11   // DHT 11

DHT dht1(DHTPIN1, DHTTYPE);
DHT dht2(DHTPIN2, DHTTYPE);

int rs=12,en=11,d4=5,d5=4,d6=7,d7=6;
LiquidCrystal lcd(rs,en,d4,d5,d6,d7);

void setup() {
  // Start serial communication
  Serial.begin(9600);
  
  // Start DHT sensors
  dht1.begin();
  dht2.begin();
  
  // Set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  
  // Print a message to the LCD.
  lcd.print("Greenhouse Monitor");
}

void loop() {
  // Read temperature and humidity from first DHT sensor
  float h1 = dht1.readHumidity();
  float t1 = dht1.readTemperature(); // Celsius

  // Read temperature and humidity from second DHT sensor
  float h2 = dht2.readHumidity();
  float t2 = dht2.readTemperature(); // Celsius

  // Read water level, soil moisture, and light
  int waterLevel = readWaterLevel(); // Implement this function for water level sensor
  int soilMoisture = analogRead(A0);
  int lightLevel = analogRead(A1);

  // Print to serial monitor for debugging
  Serial.print("Sensor 1 - Humidity: ");
  Serial.print(h1);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t1);
  Serial.println(" *C");

  Serial.print("Sensor 2 - Humidity: ");
  Serial.print(h2);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t2);
  Serial.println(" *C");

  // Print to LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Temp1: ");
  lcd.print(t1);
  lcd.print(" C   ");
  lcd.print("Humid1: ");
  lcd.print(h1);
  lcd.print("%");

  lcd.setCursor(0, 1);
  lcd.print("Temp2: ");
  lcd.print(t2);
  lcd.print(" C   ");
  lcd.print("Humid2: ");
  lcd.print(h2);
  lcd.print("%");

  delay(2000);  // Delay between measurements
}

int readWaterLevel() {
  // Implement your water level sensor reading logic here
  // Example:
  // int waterLevel = analogRead(A2); // Replace A2 with your actual pin
  // return waterLevel;
  return 0; // Placeholder
}