#include <OneWire.h>
#include <DallasTemperature.h>
#include <LiquidCrystal.h>


#define ONE_WIRE_BUS 6  // Define the digital pin where the DS18B20 is connected
#define RELAY_PIN 7     // Define the digital pin where the relay module is connected

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

float simulatedTemperature = 48.0;  // Starting temperature

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  Serial.begin(9600);
  pinMode(RELAY_PIN, OUTPUT);
  lcd.begin(16, 2);
}

void loop() {
  // Simulate temperature increase by 1 degree every second
  simulatedTemperature += 1.0;

  Serial.print("Simulated Temperature: ");
  Serial.print(simulatedTemperature);
  Serial.println(" °C");

  if (simulatedTemperature > 50.0) {
    digitalWrite(RELAY_PIN, HIGH); // Activate relay if temperature exceeds 50°C
    lcd.setCursor(0,0);
    lcd.print("Temp. HIGH: ");
    lcd.setCursor(11,0);
    lcd.print(simulatedTemperature);
    lcd.setCursor(0,1);
    lcd.print("ALERT!!!");
  } else {
    digitalWrite(RELAY_PIN, LOW);  // Deactivate relay if temperature is below 50°C
    lcd.setCursor(0,0);
    lcd.print("Temp. Low: ");
    lcd.setCursor(10,0);
    lcd.print(simulatedTemperature);
  }

  delay(1000); // Adjust the delay as needed to control how often the temperature is checked
}