Glasses That Detect Obstacles

1int distanceThreshold = 0;
2
3int cm = 0;
4
5int inches = 0;
6
7long  readUltrasonicDistance(int triggerPin, int echoPin)
8{
9  pinMode(triggerPin,  OUTPUT);  // Clear the trigger
10  digitalWrite(triggerPin, LOW);
11  delayMicroseconds(2);
12  // Sets the trigger pin to HIGH state for 10 microseconds
13  digitalWrite(triggerPin,  HIGH);
14  delayMicroseconds(10);
15  digitalWrite(triggerPin, LOW);
16  pinMode(echoPin,  INPUT);
17  // Reads the echo pin, and returns the sound wave travel time in microseconds
18  return pulseIn(echoPin, HIGH);
19}
20
21void setup()
22{
23  Serial.begin(9600);
24
25  pinMode(5, OUTPUT);
26}
27
28void loop()
29{
30  
31  // measure the ping  time in cm
32  cm = 0.01723 * readUltrasonicDistance(7, 6);
33
34  if (cm > 50)  {
35    digitalWrite(5, LOW);
36  }
37  if (cm < 50) {
38    digitalWrite(5,  HIGH);
39  }
40  delay(10); // Delay a little bit to improve simulation performance
41}

1int distanceThreshold = 0;
2
3int cm = 0;
4
5int inches = 0;
6
7long   readUltrasonicDistance(int triggerPin, int echoPin)
8{
9  pinMode(triggerPin,   OUTPUT);  // Clear the trigger
10  digitalWrite(triggerPin, LOW);
11  delayMicroseconds(2);
12   // Sets the trigger pin to HIGH state for 10 microseconds
13  digitalWrite(triggerPin,   HIGH);
14  delayMicroseconds(10);
15  digitalWrite(triggerPin, LOW);
16  pinMode(echoPin,   INPUT);
17  // Reads the echo pin, and returns the sound wave travel time in microseconds
18   return pulseIn(echoPin, HIGH);
19}
20
21void setup()
22{
23  Serial.begin(9600);
24
25   pinMode(5, OUTPUT);
26}
27
28void loop()
29{
30  
31  // measure the ping   time in cm
32  cm = 0.01723 * readUltrasonicDistance(7, 6);
33
34  if (cm > 50)   {
35    digitalWrite(5, LOW);
36  }
37  if (cm < 50) {
38    digitalWrite(5,   HIGH);
39  }
40  delay(10); // Delay a little bit to improve simulation performance
41}

1int distanceThreshold = 0;
2
3int cm = 0;
4
5int inches = 0;
6
7long
8  readUltrasonicDistance(int triggerPin, int echoPin)
9{
10  pinMode(triggerPin,
11  OUTPUT);  // Clear the trigger
12  digitalWrite(triggerPin, LOW);
13  delayMicroseconds(2);
14
15  // Sets the trigger pin to HIGH state for 10 microseconds
16  digitalWrite(triggerPin,
17  HIGH);
18  delayMicroseconds(10);
19  digitalWrite(triggerPin, LOW);
20  pinMode(echoPin,
21  INPUT);
22  // Reads the echo pin, and returns the sound wave travel time in microseconds
23
24  return pulseIn(echoPin, HIGH);
25}
26
27void setup()
28{
29  Serial.begin(9600);
30
31
32  pinMode(5, OUTPUT);
33}
34
35void loop()
36{
37  
38  // measure the ping
39  time in cm
40  cm = 0.01723 * readUltrasonicDistance(7, 6);
41
42  if (cm > 50)
43  {
44    digitalWrite(5, LOW);
45  }
46  if (cm < 50) {
47    digitalWrite(5,
48  HIGH);
49  }
50  delay(10); // Delay a little bit to improve simulation performance
51}