Marker Beacon System with IR Sensors, Buzzer and LED

1int en = 11, in1 = 7, in2 = 8; 
2
3void setup() {
4// put your setup
5  code here, to run once:
6pinMode(en, OUTPUT);
7pinMode(in1, OUTPUT);
8pinMode(in2,
9  OUTPUT);
10}
11
12void loop() {
13// put your main code here, to run repeatedly:
14digitalWrite(in1,
15  LOW);
16digitalWrite(in2, HIGH);
17
18analogWrite(en, 96);
19
20delay(14000);
21
22digitalWrite(in1,
23  LOW);
24digitalWrite(in2, LOW);
25
26delay(5000);
27
28digitalWrite(in1, HIGH);
29digitalWrite(in2,
30  LOW);
31
32analogWrite(en, 180);
33
34delay(10500);
35
36digitalWrite(in1,
37  LOW);
38digitalWrite(in2, LOW);
39
40delay(8000);
41
42}

int en = 11, in1 = 7, in2 = 8; 

void setup() {
// put your setup
  code here, to run once:
pinMode(en, OUTPUT);
pinMode(in1, OUTPUT);
pinMode(in2,
  OUTPUT);
}

void loop() {
// put your main code here, to run repeatedly:
digitalWrite(in1,
  LOW);
digitalWrite(in2, HIGH);

analogWrite(en, 96);

delay(14000);

digitalWrite(in1,
  LOW);
digitalWrite(in2, LOW);

delay(5000);

digitalWrite(in1, HIGH);
digitalWrite(in2,
  LOW);

analogWrite(en, 180);

delay(10500);

digitalWrite(in1,
  LOW);
digitalWrite(in2, LOW);

delay(8000);

}

Code for Sensor Part

arduino

1int irInner=6,irMiddle=13,irOuter=12,irRunway=9;
2int ledInner=2,ledMiddle=3,ledOuter=4;
3int
4  sounds = 11; // Declaration of variables with pin numbers of components
5int valIn=0,valMd=0,valOt=0,valRunway=0;
6void
7  setup()
8{
9 pinMode(irInner, INPUT_PULLUP); // input component
10 pinMode(ledInner,
11  OUTPUT); //output component
12 
13 pinMode(irMiddle, INPUT_PULLUP);
14 pinMode(ledMiddle,
15  OUTPUT);
16 
17 pinMode(irOuter, INPUT_PULLUP);
18 pinMode(ledOuter, OUTPUT);
19
20  pinMode(irRunway,INPUT_PULLUP); 
21}
22void loop()
23{
24 valIn=digitalRead(irInner);
25  //getting current state of sensor(HIGH or LOW)
26 valMd=digitalRead(irMiddle);
27
28  valOt=digitalRead(irOuter);
29 valRunway=digitalRead(irRunway);
30 if(valOt==LOW
31  ) //if obstacle on outer sensor
32 {
3335
34 digitalWrite(ledOuter, HIGH); //led
35  on
36 tone(sounds, 1500, 350); //buzzer or speaker starts beeping sound
37 delay(350);
38
39  }
40 else
41 {
42 digitalWrite(ledOuter,LOW); //led off
43 }
44 delay(50);
45
46  
47 if(valMd==LOW )
48 { 
49 digitalWrite(ledMiddle, HIGH);
50 tone(sounds,
51  1200, 100);
52 delay(200);
53 tone(sounds, 1100, 450);
54 delay(250);
55 }
56
57  else
58 {
59 digitalWrite(ledMiddle, LOW);
60 }
61 delay(50);
62 
63 if(valIn==LOW
64  )
65 { 
66 digitalWrite(ledInner, HIGH);
67 tone(sounds, 1000, 100);
68 delay(100);
69
70  } 
71 else
72 {
73 digitalWrite(ledInner, LOW);
74 }
75 delay(50);
76 
77
78  if(valRunway==LOW)
79 { 
80 delay(10000);
81 } 
82}
83

int irInner=6,irMiddle=13,irOuter=12,irRunway=9;
int ledInner=2,ledMiddle=3,ledOuter=4;
int
  sounds = 11; // Declaration of variables with pin numbers of components
int valIn=0,valMd=0,valOt=0,valRunway=0;
void
  setup()
{
 pinMode(irInner, INPUT_PULLUP); // input component
 pinMode(ledInner,
  OUTPUT); //output component
 
 pinMode(irMiddle, INPUT_PULLUP);
 pinMode(ledMiddle,
  OUTPUT);
 
 pinMode(irOuter, INPUT_PULLUP);
 pinMode(ledOuter, OUTPUT);

  pinMode(irRunway,INPUT_PULLUP); 
}
void loop()
{
 valIn=digitalRead(irInner);
  //getting current state of sensor(HIGH or LOW)
 valMd=digitalRead(irMiddle);

  valOt=digitalRead(irOuter);
 valRunway=digitalRead(irRunway);
 if(valOt==LOW
  ) //if obstacle on outer sensor
 {
35
 digitalWrite(ledOuter, HIGH); //led
  on
 tone(sounds, 1500, 350); //buzzer or speaker starts beeping sound
 delay(350);

  }
 else
 {
 digitalWrite(ledOuter,LOW); //led off
 }
 delay(50);

  
 if(valMd==LOW )
 { 
 digitalWrite(ledMiddle, HIGH);
 tone(sounds,
  1200, 100);
 delay(200);
 tone(sounds, 1100, 450);
 delay(250);
 }

  else
 {
 digitalWrite(ledMiddle, LOW);
 }
 delay(50);
 
 if(valIn==LOW
  )
 { 
 digitalWrite(ledInner, HIGH);
 tone(sounds, 1000, 100);
 delay(100);

  } 
 else
 {
 digitalWrite(ledInner, LOW);
 }
 delay(50);
 

  if(valRunway==LOW)
 { 
 delay(10000);
 } 
}

Code For Motor Part

arduino

1int en = 11, in1 = 7, in2 = 8; 
2
3void setup() {
4// put your setup  code here, to run once:
5pinMode(en, OUTPUT);
6pinMode(in1, OUTPUT);
7pinMode(in2,  OUTPUT);
8}
9
10void loop() {
11// put your main code here, to run repeatedly:
12digitalWrite(in1,  LOW);
13digitalWrite(in2, HIGH);
14
15analogWrite(en, 96);
16
17delay(14000);
18
19digitalWrite(in1,  LOW);
20digitalWrite(in2, LOW);
21
22delay(5000);
23
24digitalWrite(in1, HIGH);
25digitalWrite(in2,  LOW);
26
27analogWrite(en, 180);
28
29delay(10500);
30
31digitalWrite(in1,  LOW);
32digitalWrite(in2, LOW);
33
34delay(8000);
35
36}

int en = 11, in1 = 7, in2 = 8; 

void setup() {
// put your setup  code here, to run once:
pinMode(en, OUTPUT);
pinMode(in1, OUTPUT);
pinMode(in2,  OUTPUT);
}

void loop() {
// put your main code here, to run repeatedly:
digitalWrite(in1,  LOW);
digitalWrite(in2, HIGH);

analogWrite(en, 96);

delay(14000);

digitalWrite(in1,  LOW);
digitalWrite(in2, LOW);

delay(5000);

digitalWrite(in1, HIGH);
digitalWrite(in2,  LOW);

analogWrite(en, 180);

delay(10500);

digitalWrite(in1,  LOW);
digitalWrite(in2, LOW);

delay(8000);

}

Code for Sensor Part

arduino

1int irInner=6,irMiddle=13,irOuter=12,irRunway=9;
2int ledInner=2,ledMiddle=3,ledOuter=4;
3int  sounds = 11; // Declaration of variables with pin numbers of components
4int valIn=0,valMd=0,valOt=0,valRunway=0;
5void  setup()
6{
7 pinMode(irInner, INPUT_PULLUP); // input component
8 pinMode(ledInner,  OUTPUT); //output component
9 
10 pinMode(irMiddle, INPUT_PULLUP);
11 pinMode(ledMiddle,  OUTPUT);
12 
13 pinMode(irOuter, INPUT_PULLUP);
14 pinMode(ledOuter, OUTPUT);
15  pinMode(irRunway,INPUT_PULLUP); 
16}
17void loop()
18{
19 valIn=digitalRead(irInner);  //getting current state of sensor(HIGH or LOW)
20 valMd=digitalRead(irMiddle);
21  valOt=digitalRead(irOuter);
22 valRunway=digitalRead(irRunway);
23 if(valOt==LOW  ) //if obstacle on outer sensor
24 {
2535
26 digitalWrite(ledOuter, HIGH); //led  on
27 tone(sounds, 1500, 350); //buzzer or speaker starts beeping sound
28 delay(350);
29  }
30 else
31 {
32 digitalWrite(ledOuter,LOW); //led off
33 }
34 delay(50);
35  
36 if(valMd==LOW )
37 { 
38 digitalWrite(ledMiddle, HIGH);
39 tone(sounds,  1200, 100);
40 delay(200);
41 tone(sounds, 1100, 450);
42 delay(250);
43 }
44  else
45 {
46 digitalWrite(ledMiddle, LOW);
47 }
48 delay(50);
49 
50 if(valIn==LOW  )
51 { 
52 digitalWrite(ledInner, HIGH);
53 tone(sounds, 1000, 100);
54 delay(100);
55  } 
56 else
57 {
58 digitalWrite(ledInner, LOW);
59 }
60 delay(50);
61 
62  if(valRunway==LOW)
63 { 
64 delay(10000);
65 } 
66}
67

int irInner=6,irMiddle=13,irOuter=12,irRunway=9;
int ledInner=2,ledMiddle=3,ledOuter=4;
int  sounds = 11; // Declaration of variables with pin numbers of components
int valIn=0,valMd=0,valOt=0,valRunway=0;
void  setup()
{
 pinMode(irInner, INPUT_PULLUP); // input component
 pinMode(ledInner,  OUTPUT); //output component
 
 pinMode(irMiddle, INPUT_PULLUP);
 pinMode(ledMiddle,  OUTPUT);
 
 pinMode(irOuter, INPUT_PULLUP);
 pinMode(ledOuter, OUTPUT);
  pinMode(irRunway,INPUT_PULLUP); 
}
void loop()
{
 valIn=digitalRead(irInner);  //getting current state of sensor(HIGH or LOW)
 valMd=digitalRead(irMiddle);
  valOt=digitalRead(irOuter);
 valRunway=digitalRead(irRunway);
 if(valOt==LOW  ) //if obstacle on outer sensor
 {
35
 digitalWrite(ledOuter, HIGH); //led  on
 tone(sounds, 1500, 350); //buzzer or speaker starts beeping sound
 delay(350);
  }
 else
 {
 digitalWrite(ledOuter,LOW); //led off
 }
 delay(50);
  
 if(valMd==LOW )
 { 
 digitalWrite(ledMiddle, HIGH);
 tone(sounds,  1200, 100);
 delay(200);
 tone(sounds, 1100, 450);
 delay(250);
 }
  else
 {
 digitalWrite(ledMiddle, LOW);
 }
 delay(50);
 
 if(valIn==LOW  )
 { 
 digitalWrite(ledInner, HIGH);
 tone(sounds, 1000, 100);
 delay(100);
  } 
 else
 {
 digitalWrite(ledInner, LOW);
 }
 delay(50);
 
  if(valRunway==LOW)
 { 
 delay(10000);
 } 
}

Downloadable files

Diagram for motor

Circuit Diagram

A) IR Proximity sensor connections: 1. Connect OUT of inner marker (Sensor) to Arduino's digital pin 6. 2. Then connect the OUT of middle marker (Sensor) to Arduino's digital pin 7. 3. Same as inner and middle connect the OUT of outer marker (Sensor) to Arduino's digital pin 8 4. Then connect OUT of NRI (No Return Indication sensor) to Arduino's digital pin 10. 5. Connect the GRD i.e. (ground) of all sensors to Arduino's pin ground. 6. Connect VCC of all sensors to Arduino's pin of +5 V. B) LED's connections: 1. Connect +ve terminal of inner marker (LED) to arduino's digital pin 4. 2. Then connect the +ve terminal of middle marker (LED) to Arduino's digital pin 2. 3. Connect the +ve of outer marker (LED) to Arduino's digital pin 3. 4. After that connect all the -ve outer marker (LED) to Arduino's pin ground. C) Buzzer connection: 1. Connect one terminal to Arduino's digital pin 11. 1. Connect another terminal to arduino's Pin GRD.

Circuit Diagram

Diagram for motor

Documentation

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