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Publication de fichiers » capteur_ultrason.ino

Jérémie Boulic, 02/04/2016 23:49

 
int trigPin=13;
int echoPin=12;
long duration;
float d;

void setup() {
Serial.begin(9600);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
}

void loop() {
d=distance();
Serial.print(d);
Serial.println(" cm");
delay(100);
}

float distance() {
digitalWrite(trigPin, LOW); // Added this line
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10); // Added this line
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
return (duration/2)/29.1;
}

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