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I don't like you

Practice scripting for the project 'I like you'

Source Code

/*

  For I don't like you. (practice project for the project 'I like you')

  version : 0.1

  created 07 May 2017

  by Douglas Changsoo Park

*/

#include <Servo.h>

#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.

Servo myservo;//create servo object to control a servo

int distance;

void setup() {

  myservo.attach(9);//attachs the servo on pin 9 to servo object

  myservo.write(0);//back to 0 degrees 

  delay(1000);//wait for a second

  Serial.begin(9600); // Open serial monitor at 115200 baud to see ping results.

}

void loop() {

  delay(500);  // 

  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 and print result (0 = outside set distance range, no ping echo)

  Serial.println("cm");

  distance = uS / US_ROUNDTRIP_CM;

  delay(500);

  // Servo motor moves when the distance is less than 5cm

  if (distance < 5 && distance != 0) {

    Serial.println("distance : ");

    Serial.println(distance); 

    myservo.write(90);//goes to 45 degrees 

    delay(500);

    myservo.write(-90);//goes to 45 degrees

    delay(500);

  }

}