31 lines
1.0 KiB
Arduino
31 lines
1.0 KiB
Arduino
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// Ultrasonic - Library for HR-SC04 Ultrasonic Ranging Module.
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// Rev.4 (06/2012) - J.Rodrigo ( www.jrodrigo.net ) - www.ardublog.com
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// more info at https://www.abonnel.fr/electronique/lois-et-composants/500-capteur-de-distance-ultrasons#principe
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#include "Ultrasonic.h"
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#define echoPin 2 // attach pin D2 Arduino to pin Echo of HC-SR04
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#define trigPin 3 //attach pin D3 Arduino to pin Trig of HC-SR04
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Ultrasonic sensor(trigPin,echoPin); // Trig et Echo
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// defines variables
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int distance; // variable for the distance measurement
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void setup() {
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Serial.begin(9600);trigPin as an OUTPUT
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pinMode(echoPin, INPUT); // Sets the echoPin as an INPUT
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Serial.begin(9600); // // Serial Communication is starting with 9600 of baudrate speed
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Serial.println("Ultrasonic Sensor HC-SR04 Test"); // print some text in Serial Monitor
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Serial.println("with Arduino UNO R3 and Ultrasonic.h");
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}
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void loop () {
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distance = sensor.Ranging(CM); // CM or INC
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Serial.print("Distance: ");
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Serial.print(distance);
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Serial.println(" cm");
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delay(100); // 100 ms
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}
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