Proximity Sensor

1int TRIG = 5;
2int ECO = 6;
3int LED = 3;
4int DURACION;
5int  DISTANCIA;
6int LED2 = 2; 
7int LED3 = 4;
8int ALERTA = 7;
9
10void setup()  {
11  // put your setup code here, to run once:
12pinMode(TRIG, OUTPUT);
13pinMode(ECO,  INPUT);
14pinMode(LED, OUTPUT);
15pinMode(LED2, OUTPUT);
16pinMode(LED3, OUTPUT);
17pinMode(ALERTA,  OUTPUT);
18Serial.begin(9600);
19}
20
21void loop() {
22  // put your main  code here, to run repeatedly:
23digitalWrite(TRIG, HIGH);
24delay(1);
25digitalWrite(TRIG,  LOW);
26DURACION = pulseIn(ECO, HIGH);
27DISTANCIA = DURACION / 58.2;
28Serial.println(DISTANCIA);
29delay(200);
30
31if  (DISTANCIA <= 15 && DISTANCIA >= 8 ) {
32  digitalWrite(LED, HIGH);
33}
34else  {
35  digitalWrite(LED, LOW);
36
37  if (DISTANCIA <= 20 && DISTANCIA > 15) {
38    digitalWrite(LED2, HIGH);
39    
40    
41  }
42  else {
43    digitalWrite  (LED2, LOW);
44  
45    if (DISTANCIA > 20) {
46      digitalWrite(LED3, HIGH);
47    
48    }
49    else {
50      digitalWrite (LED3, LOW);
51     
52 
53if  (DISTANCIA < 7 && DISTANCIA >= 0) {
54  digitalWrite (ALERTA, HIGH);
55  delay(150);
56  digitalWrite (ALERTA, LOW);
57  delay(150);
58}
59else {
60  digitalWrite  (ALERTA, LOW);
61}
62    }
63  }
64
65}
66}
67

1int TRIG = 5;
2int ECO = 6;
3int LED = 3;
4int DURACION;
5int
6  DISTANCIA;
7int LED2 = 2; 
8int LED3 = 4;
9int ALERTA = 7;
10
11void setup()
12  {
13  // put your setup code here, to run once:
14pinMode(TRIG, OUTPUT);
15pinMode(ECO,
16  INPUT);
17pinMode(LED, OUTPUT);
18pinMode(LED2, OUTPUT);
19pinMode(LED3, OUTPUT);
20pinMode(ALERTA,
21  OUTPUT);
22Serial.begin(9600);
23}
24
25void loop() {
26  // put your main
27  code here, to run repeatedly:
28digitalWrite(TRIG, HIGH);
29delay(1);
30digitalWrite(TRIG,
31  LOW);
32DURACION = pulseIn(ECO, HIGH);
33DISTANCIA = DURACION / 58.2;
34Serial.println(DISTANCIA);
35delay(200);
36
37if
38  (DISTANCIA <= 15 && DISTANCIA >= 8 ) {
39  digitalWrite(LED, HIGH);
40}
41else
42  {
43  digitalWrite(LED, LOW);
44
45  if (DISTANCIA <= 20 && DISTANCIA > 15) {
46
47    digitalWrite(LED2, HIGH);
48    
49    
50  }
51  else {
52    digitalWrite
53  (LED2, LOW);
54  
55    if (DISTANCIA > 20) {
56      digitalWrite(LED3, HIGH);
57
58    
59    }
60    else {
61      digitalWrite (LED3, LOW);
62     
63 
64if
65  (DISTANCIA < 7 && DISTANCIA >= 0) {
66  digitalWrite (ALERTA, HIGH);
67  delay(150);
68
69  digitalWrite (ALERTA, LOW);
70  delay(150);
71}
72else {
73  digitalWrite
74  (ALERTA, LOW);
75}
76    }
77  }
78
79}
80}
81