gjt211 gjt211

## hcsr04_test.ino
/** Ultrasonic Sensor HC-SR04 and Arduino Tutorial **/
// defines pins numbers
const int trigPin = 9;
const int echoPin = 10;

// defines variables
long duration;
int distance;

void setup() {
	/ Ultrasonic Sensor HC-SR04 and Arduino Tutorial /
	// defines pins numbers
	const int trigPin = 9;
	const int echoPin = 10;

	// defines variables
	long duration;
	int distance;

	void setup() {