[아두이노] 초음파 센서로 거리 측정하기

 

 

int trigPin = 9;
int echoPin = 8;
void setup() {
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}
void loop() {
  float duration, distance;
  digitalWrite(trigPin, HIGH);
  delay(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  distance = ((float)(340 * duration) / 10000) / 2;
 
  Serial.print("Duration:");
  Serial.print(duration);
  Serial.print(" \nDuration:");
  Serial.print(distance);
  Serial.print("cm \n");
  delay(500);
}

 

 

날짜 : 2016년 09월 29일