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Pin Connections Table 1

Pin Connections Table 2

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.ino

.cpp

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Code Section 1

Code Comments: Show in output

Above Code

Below Code

This code demonstrates how to use HC-SR04 ultrasonic sensor with Arduino.
The sensor measures distance using sound waves.

Code Title: File Format:

.ino

.cpp

C/C++ Code:

/*
 * HC-SR04 example sketch
 *
 * https://create.arduino.cc/projecthub/Isaac100/getting-started-with-the-hc-sr04-ultrasonic-sensor-036380
 *
 * by Isaac100
 */

const int trigPin = 9;
const int echoPin = 10;

float duration, distance;

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

void loop() {
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  duration = pulseIn(echoPin, HIGH);
  distance = (duration * 0.0343) / 2;
  Serial.print("Distance: ");
  Serial.println(distance);
  delay(100);
}

Required Libraries: Show in output

GitHub

WPDM Pro

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Arduino Ultrasonic Sensor

1 Example • C/C++

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Pin Connections Table 1

Arduino Pin	Sensor/Component Pin
D9	TRIG
D10	ECHO
5V	VCC
GND	GND

Pin Connections Table 2

Arduino Pin	Other Component
A0	POTENTIOMETER
D13	LED

HC-SR04 Ultrasonic Sensor

Code Comments:

This code demonstrates how to use HC-SR04 ultrasonic sensor with Arduino. The sensor measures distance using sound waves.

📄 File: hc-sr04_ultrasonic_sensor.ino

542 characters

1/*

2 * HC-SR04 example sketch

3 *

4 * https://create.arduino.cc/projecthub/Isaac100/getting-started-with-the-hc-sr04-ultrasonic-sensor-036380

5 *

6 * by Isaac100

7 */

9const int trigPin = 9;

10const int echoPin = 10;

12float duration, distance;

14void setup() {

15 pinMode(trigPin, OUTPUT);

16 pinMode(echoPin, INPUT);

17 Serial.begin(9600);

18}

20void loop() {

21 digitalWrite(trigPin, LOW);

22 delayMicroseconds(2);

23 digitalWrite(trigPin, HIGH);

24 delayMicroseconds(10);

25 digitalWrite(trigPin, LOW);

27 duration = pulseIn(echoPin, HIGH);

28 distance = (duration * 0.0343) / 2;

29 Serial.print("Distance: ");

30 Serial.println(distance);

31 delay(100);

32}

Project Notes:

Example code for HC-SR04 ultrasonic sensor with Arduino

Required Libraries:

NewPing GitHub

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