Arduino range detector

1// ---------------------------------------------------------------------------
2//  Example NewPing library sketch that does a ping about 20 times per second.
3//  ---------------------------------------------------------------------------
4
5#include  <NewPing.h>
6
7#define TRIGGER_PIN  12  // Arduino pin tied to trigger pin on  the ultrasonic sensor.
8#define ECHO_PIN     11  // Arduino pin tied to echo pin  on the ultrasonic sensor.
9#define MAX_DISTANCE 200 // Maximum distance we want  to ping for (in centimeters). Maximum sensor distance is rated at 400-500cm.
10
11NewPing  sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and maximum  distance.
12
13void setup() {
14  Serial.begin(115200); // Open serial monitor  at 115200 baud to see ping results.
15}
16
17void loop() {
18  delay(50);                     //  Wait 50ms between pings (about 20 pings/sec). 29ms should be the shortest delay  between pings.
19  Serial.print("Ping: ");
20  Serial.print(sonar.ping_cm());  // Send ping, get distance in cm and print result (0 = outside set distance range)
21  Serial.println("cm");
22}

1// ---------------------------------------------------------------------------
2//
3  Example NewPing library sketch that does a ping about 20 times per second.
4//
5  ---------------------------------------------------------------------------
6
7#include
8  <NewPing.h>
9
10#define TRIGGER_PIN  12  // Arduino pin tied to trigger pin on
11  the ultrasonic sensor.
12#define ECHO_PIN     11  // Arduino pin tied to echo pin
13  on the ultrasonic sensor.
14#define MAX_DISTANCE 200 // Maximum distance we want
15  to ping for (in centimeters). Maximum sensor distance is rated at 400-500cm.
16
17NewPing
18  sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and maximum
19  distance.
20
21void setup() {
22  Serial.begin(115200); // Open serial monitor
23  at 115200 baud to see ping results.
24}
25
26void loop() {
27  delay(50);                     //
28  Wait 50ms between pings (about 20 pings/sec). 29ms should be the shortest delay
29  between pings.
30  Serial.print("Ping: ");
31  Serial.print(sonar.ping_cm());
32  // Send ping, get distance in cm and print result (0 = outside set distance range)
33
34  Serial.println("cm");
35}