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