Fire and Smoke Alarm

1#define flamePin A0
2#define gasPin A1
3#define buzzer1 10
4#define
5  buzzer2 9
6#define greenLed 2
7#define redLed 3
8int flameVal;
9int gasVal;
10int
11  btSwitch=49;
12unsigned long curTime;
13void(* resetFunc) (void) = 0;
14
15void
16  setup() {
17  // put your setup code here, to run once:
18  Serial.begin(9600);
19
20  pinMode(buzzer1, OUTPUT);
21  pinMode(buzzer2, OUTPUT);
22  pinMode(greenLed,
23  OUTPUT);
24  pinMode(redLed, OUTPUT);
25  curTime=millis();
26}
27
28void loop()
29  {
30    // put your main code here, to run repeatedly:
31   if(Serial.available()
32  > 0){ // Checks whether data is comming from the serial port
33      btSwitch =
34  Serial.read(); // Reads the data from the serial port
35   }
36   if(btSwitch=='1'){digitalWrite(greenLed,HIGH);digitalWrite(redLed,LOW);}
37
38   else if(btSwitch=='0'){digitalWrite(redLed,HIGH);digitalWrite(greenLed,LOW);}
39
40   else if(btSwitch=='2'){resetFunc();}
41   
42   flameVal=analogRead(flamePin);
43
44   gasVal=analogRead(gasPin);
45   
46   if (flameVal<1000 && gasVal>159 && btSwitch=='1'){
47
48     buzzerCall();
49   }
50   else if(gasVal>159 && btSwitch=='1'){
51     buzzerCall();
52
53   }
54}
55
56void buzzerCall(){
57    digitalWrite(greenLed,LOW);
58    digitalWrite(redLed,HIGH);
59
60    tone(buzzer1, 5000);
61    delay(1000);
62    noTone(buzzer1);
63    tone(buzzer2,
64  1000);
65    digitalWrite(redLed,LOW);
66    delay(1000);
67    noTone(buzzer2);
68
69  }
70

1#define flamePin A0
2#define gasPin A1
3#define buzzer1 10
4#define  buzzer2 9
5#define greenLed 2
6#define redLed 3
7int flameVal;
8int gasVal;
9int  btSwitch=49;
10unsigned long curTime;
11void(* resetFunc) (void) = 0;
12
13void  setup() {
14  // put your setup code here, to run once:
15  Serial.begin(9600);
16  pinMode(buzzer1, OUTPUT);
17  pinMode(buzzer2, OUTPUT);
18  pinMode(greenLed,  OUTPUT);
19  pinMode(redLed, OUTPUT);
20  curTime=millis();
21}
22
23void loop()  {
24    // put your main code here, to run repeatedly:
25   if(Serial.available()  > 0){ // Checks whether data is comming from the serial port
26      btSwitch =  Serial.read(); // Reads the data from the serial port
27   }
28   if(btSwitch=='1'){digitalWrite(greenLed,HIGH);digitalWrite(redLed,LOW);}
29   else if(btSwitch=='0'){digitalWrite(redLed,HIGH);digitalWrite(greenLed,LOW);}
30   else if(btSwitch=='2'){resetFunc();}
31   
32   flameVal=analogRead(flamePin);
33   gasVal=analogRead(gasPin);
34   
35   if (flameVal<1000 && gasVal>159 && btSwitch=='1'){
36     buzzerCall();
37   }
38   else if(gasVal>159 && btSwitch=='1'){
39     buzzerCall();
40   }
41}
42
43void buzzerCall(){
44    digitalWrite(greenLed,LOW);
45    digitalWrite(redLed,HIGH);
46    tone(buzzer1, 5000);
47    delay(1000);
48    noTone(buzzer1);
49    tone(buzzer2,  1000);
50    digitalWrite(redLed,LOW);
51    delay(1000);
52    noTone(buzzer2);
53  }
54