1.Ultrasonic Basic project

Ultrasonic Basic project

Materials Needed:

• Arduino board
• Ultrasonic sensor (e.g., HC-SR04)
• Jumper wires

Connections:

1. Ultrasonic Sensor to Arduino:
• TRIG pin → Pin 9
• ECHO pin → Pin 10
• VCC pin → 5V
• GND pin → GND

2. Procedure:

1. Connect the Ultrasonic Sensor:

   • Use the jumper wires to connect the ultrasonic sensor pins as mentioned above.
   • Ensure proper power and ground connections for the sensor to work correctly.

2. Write the Arduino Code:

• Copy and paste the following code into the Arduino IDE:

1. C++ Code

const int trigPin = 9;

const int echoPin = 10;

void setup() {

  Serial.begin(9600);  // Start the serial communication at 9600 baud rate

  pinMode(trigPin, OUTPUT);

  pinMode(echoPin, INPUT);

}

void loop() {

  long duration;

  int distance;

  // Send a 10us pulse to trigger the sensor

  digitalWrite(trigPin, LOW);

  delayMicroseconds(2);

  digitalWrite(trigPin, HIGH);

  delayMicroseconds(10);

  digitalWrite(trigPin, LOW);

  // Measure the duration of the pulse on the echo pin

  duration = pulseIn(echoPin, HIGH);

  // Calculate the distance in centimeters

  distance = duration * 0.034 / 2;

  // Print the distance to the serial monitor

  Serial.print("Distance: ");

  Serial.print(distance);

  Serial.println(" cm");

  delay(500);  // Wait for a short while before the next measurement

}