Created
November 7, 2014 04:47
-
-
Save nortbotics/1399b9992059d848b1c8 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // --------------------------------------------------------------------------- | |
| // 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. | |
| unsigned int uS = sonar.ping(); // Send ping, get ping time in microseconds (uS). | |
| Serial.print("Ping: "); | |
| Serial.print(uS / US_ROUNDTRIP_CM); // Convert ping time to distance in cm and print result (0 = outside set distance range) | |
| Serial.println("cm"); | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment