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ARDUINO ULTRASONIC SENSOR TUTORIAL WITH CODE


ULTRASONIC SENSOR TUTORIAL



This is Arduino based tutorial for ultrasonic sensor. in this video, I described how to connect ultrasonic sensor with Arduino also interface LCD with this.



Component required for tutorial

(1) Arduino microcontroller

(2) Ultrasonic sensor

(3) LCD



ciruit diagram is given in video.



Arduino Code for tutorial:



Ultrasonic sensor tutorial by IGENTECH



#include<LiquidCrystal.h> // include header file of lcd

LiquidCrystal lcd(12, 11, 5, 4, 3, 2); //assign pins of lcd

const int trigPin = 8; // assign trig pin to 8

const int echoPin = 7; // assign echo pin to 7

// defines variables

long duration;

int distance;





void setup()

{

  lcd.begin(16,2); // begin lcd

  lcd.print("UltrasonicSensor"); // print ultrasonic sensor on lcd

  lcd.setCursor(0,2);            // set cursor to second row of lcd

  lcd.print("   IGENTECH      "); // print igentech to second row

  delay(2000);



pinMode(trigPin, OUTPUT); // set trig pin as a output

pinMode(echoPin, INPUT);  // set echopin as input pin

}



void loop() {

lcd.clear(); // clear lcd screen

// clear trig

digitalWrite(trigPin, LOW);

delayMicroseconds(2);

digitalWrite(trigPin, HIGH); // trig high to get a wave for 10 microsecond

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

duration = pulseIn(echoPin, HIGH); // estimate duration of pulse high

distance= duration*0.034/2;   // calculate distance from duration

// print output in lcd

lcd.print("Distance in cm:");

lcd.setCursor(0,2);

lcd.print(distance);

delay(200);

}



This is Arduino based tutorial for ultrasonic sensor. in this video, I described how to connect ultrasonic sensor with Arduino also interface LCD with this.



Component required for tutorial

(1) Arduino microcontroller

(2) Ultrasonic sensor

(3) LCD



ciruit diagram is given in video.



Arduino Code for tutorial:



Ultrasonic sensor tutorial by IGENTECH



#include<LiquidCrystal.h> // include header file of lcd

LiquidCrystal lcd(12, 11, 5, 4, 3, 2); //assign pins of lcd

const int trigPin = 8; // assign trig pin to 8

const int echoPin = 7; // assign echo pin to 7

// defines variables

long duration;

int distance;





void setup()

{

  lcd.begin(16,2); // begin lcd

  lcd.print("UltrasonicSensor"); // print ultrasonic sensor on lcd

  lcd.setCursor(0,2);            // set cursor to second row of lcd

  lcd.print("   IGENTECH      "); // print igentech to second row

  delay(2000);



pinMode(trigPin, OUTPUT); // set trig pin as a output

pinMode(echoPin, INPUT);  // set echopin as input pin

}



void loop() {

lcd.clear(); // clear lcd screen

// clear trig

digitalWrite(trigPin, LOW);

delayMicroseconds(2);

digitalWrite(trigPin, HIGH); // trig high to get a wave for 10 microsecond

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

duration = pulseIn(echoPin, HIGH); // estimate duration of pulse high

distance= duration*0.034/2;   // calculate distance from duration

// print output in lcd

lcd.print("Distance in cm:");

lcd.setCursor(0,2);

lcd.print(distance);

delay(200);

}
  
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