Arduino Distance Meter with LCD Display

Video-:

Materials-:

• Arduino Mega or UNO board
• Bread board
• LCD display
• Ultra Sonic sensor
• Jumper wires
• Volume controller 100k(not necessary)

Circuit diagram-:

Code-:

/*

* Arduino Distance meter using LCD display

*

* by Sanuka Senumitha,

* Channel link-: https://www.youtube.com/channel/UCbezY8Lqr7Foo1-eLu09SMA/videos

*

*/

// defines pins numbers

const int trigPin = 9;

const int echoPin = 10;

// defines variables

long duration;

int distance;

void setup() {

pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output

pinMode(echoPin, INPUT); // Sets the echoPin as an Input

Serial.begin(9600); // Starts the serial communication

}

void loop() {

// Clears the trigPin

digitalWrite(trigPin, LOW);

delayMicroseconds(2);

// Sets the trigPin on HIGH state for 10 micro seconds

digitalWrite(trigPin, HIGH);

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

// Reads the echoPin, returns the sound wave travel time in microseconds

duration = pulseIn(echoPin, HIGH);

// Calculating the distance

distance= duration*0.034/2;

// Prints the distance on the Serial Monitor

Serial.print("Distance: ");

Serial.println(distance);

}

Download code and circuit diagram -: https://drive.google.com/file/d/1xAqFVkwwQJr3L7zJ-5TyDs3moE7esw-3/view?usp=sharing