Flame Alarm rev_01

/********* Pleasedontcode.com **********

    Pleasedontcode thanks you for automatic code generation! Enjoy your code!

    - Terms and Conditions:
    You have a non-exclusive, revocable, worldwide, royalty-free license
    for personal and commercial use. Attribution is optional; modifications
    are allowed, but you're responsible for code maintenance. We're not
    liable for any loss or damage. For full terms,
    please visit pleasedontcode.com/termsandconditions.

    - Project: Flame Alarm
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2025-12-06 20:09:12

********* Pleasedontcode.com **********/

/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* i am not getting alert sms on phone via sms */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <SoftwareSerial.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void sendSMS(String message, String phone);
void send_multi_sms(String message);
void make_call(String phone);
void make_multi_call();

const String PHONE_1 = "+919468881616";
const String PHONE_2 = ""; //optional
const String PHONE_3 = ""; //optional
const String PHONE_4 = ""; //optional

#define rxPin 4
#define txPin 3
SoftwareSerial sim800L(rxPin, txPin);

String textMessage;
String lampState = "off";
const int relay1 = 8;
const int relay2 = 10;
#define flame_sensor_pin 2

boolean fire_flag = 0;

#define buzzer_pin 5

void setup()
{
  pinMode(9, OUTPUT);
  digitalWrite(9, HIGH);
  delay(1000);
  digitalWrite(9, LOW);
  delay(5000);

  pinMode(relay1, OUTPUT);
  pinMode(relay2, OUTPUT);
  digitalWrite(relay1, LOW);
  digitalWrite(relay2, LOW);

  Serial.begin(115200);
  sim800L.begin(9600);

  pinMode(flame_sensor_pin, INPUT);

  pinMode(buzzer_pin, OUTPUT);
  digitalWrite(buzzer_pin, LOW);

  Serial.println("Initializing...");

  sim800L.println("AT");
  delay(1000);
  sim800L.println("AT+CMGF=1");       // SMS text mode
  delay(1000);
  sim800L.println("AT+CNMI=2,2,0,0,0"); // New SMS indication
  delay(100);
}

void loop()
{
  if (sim800L.available()) {
    textMessage = sim800L.readString();
    Serial.print("Received: ");
    Serial.println(textMessage);

    // Check commands in the received message
    if (textMessage.indexOf("On1") >= 0) {
      digitalWrite(relay1, HIGH);
      lampState = "On 1ST RELAY";
      Serial.println("Relay1 set to ON");
      textMessage = "";
    }
    else if (textMessage.indexOf("Off1") >= 0) {
      digitalWrite(relay1, LOW);
      lampState = "OFF 2ND RELAY";
      Serial.println("Relay1 set to OFF");
      textMessage = "";
    }
    if (textMessage.indexOf("On2") >= 0) {
      digitalWrite(relay2, HIGH);
      lampState = "2ND RELAY IS ON";
      Serial.println("Relay2 set to ON");
      textMessage = "";
    }
    else if (textMessage.indexOf("Off2") >= 0) {
      digitalWrite(relay2, LOW);
      lampState = "OFF 2ND RELAY";
      Serial.println("Relay2 set to OFF");
      textMessage = "";
    }
    else if (textMessage.indexOf("STATE") >= 0) {
      String msg = "Lamp is " + lampState;
      send_multi_sms(msg);
      Serial.println("Lamp state requested");
      textMessage = "";
    }
  }

  // Flame sensor monitoring
  int flame_value = digitalRead(flame_sensor_pin);

  if (flame_value == LOW) // Flame detected (depends on your sensor logic)
  {
    digitalWrite(buzzer_pin, HIGH);

    if (fire_flag == 0)
    {
      Serial.println("THEFT DETECTED");
      fire_flag = 1;
      send_multi_sms();
      make_multi_call();
    }
  }
  else
  {
    digitalWrite(buzzer_pin, LOW);
    fire_flag = 0;
  }
}

void sendSMS(String message, String phone)
{
  Serial.print("Sending SMS to ");
  Serial.println(phone);
  sim800L.print("AT+CMGF=1\r");
  delay(100);
  sim800L.print("AT+CMGS=\"" + phone + "\"\r");
  delay(1000);
  sim800L.print(message);
  delay(100);
  sim800L.write(26); // CTRL+Z to send SMS
  delay(5000);
}

void send_multi_sms(String message)
{
  if (PHONE_1 != "") { sendSMS(message, PHONE_1); }
  if (PHONE_2 != "") { sendSMS(message, PHONE_2); }
  if (PHONE_3 != "") { sendSMS(message, PHONE_3); }
  if (PHONE_4 != "") { sendSMS(message, PHONE_4); }
}

void make_call(String phone)
{
  Serial.print("Calling ");
  Serial.println(phone);
  sim800L.println("ATD" + phone + ";");
  delay(20000); // 20 seconds call
  sim800L.println("ATH"); // Hang up
  delay(1000);
}

void make_multi_call()
{
  if (PHONE_1 != "") make_call(PHONE_1);
  if (PHONE_2 != "") make_call(PHONE_2);
  if (PHONE_3 != "") make_call(PHONE_3);
  if (PHONE_4 != "") make_call(PHONE_4);
}

/* END CODE */