Arduino Ultrasonic Sensor with Serial Monitor

Measure the distance using Ultrasonic Sensor. The distance shows in serial monitor

Mar 15, 2021

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Devices & Components

Arduino Uno Rev3

Breadboard (generic)

Jumper wires (generic)

Ultrasonic Sensor - HC-SR04 (Generic)

Software & Tools

Arduino IDE

Project description

Code

HC SR04 ULTRASONIC SENSOR USING SERIAL MONITOR ARDUINO

arduino

1const int trigPin = 9;
2const int echoPin = 10;
3
4long duration;
5int  distance;
6void setup() {
7pinMode(trigPin, OUTPUT)
8pinMode(echoPin, INPUT);
9Serial.begin(9600);
10}
11
12void  loop() 
13{
14  digitalWrite(trigPin, LOW);
15  delayMicroseconds(2);
16  digitalWrite(trigPin,  HIGH);
17  delayMicroseconds(10);
18  digitalWrite(trigPin, LOW);
19  duration  = pulseIn(echoPin, HIGH);
20  distance= duration*0.034/2;
21  Serial.print("Distance:  ");
22  Serial.println(distance);
23}

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

long duration;
int  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*0.034/2;
  Serial.print("Distance:  ");
  Serial.println(distance);
}

Downloadable files

HC SR04 ULTRASONIC SENSOR USING SERIAL MONITOR ARDUINO

The circuit diagram

HC SR04 ULTRASONIC SENSOR USING SERIAL MONITOR ARDUINO

The circuit diagram

HC SR04 ULTRASONIC SENSOR USING SERIAL MONITOR ARDUINO

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