Rohan Barnwal
Published

Calculate You Own Height Using Arduino

So Basically it is a device which helps us to know the height of the person and this is one of the best projects of my life !!!!!!!

BeginnerFull instructions provided1 hour606
Calculate You Own Height Using Arduino

Things used in this project

Hardware components

Arduino UNO & Genuino UNO
Arduino UNO & Genuino UNO
×1
Standard LCD - 16x2 White on Blue
Adafruit Standard LCD - 16x2 White on Blue
×1
Ultrasonic Sensor - HC-SR04 (Generic)
Ultrasonic Sensor - HC-SR04 (Generic)
×1
Male/Female Jumper Wires
Male/Female Jumper Wires
×1
Single Turn Potentiometer- 10k ohms
Single Turn Potentiometer- 10k ohms
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

Read more

Custom parts and enclosures

Basic 3d Model

Schematics

Connection

Code

Code

Arduino
// Created by Rohan Barnwal!!!!!!!! 
// -:AATAM NIRBHAR BHARAT:- 
#include <LiquidCrystal.h> 

// includes the LcdBarGraph Library
#include <LcdBarGraph.h>

// Maximum distance we want to ping for (in centimeters).
#define max_distance 200

// Creates an LCD object. Parameters: (rs, enable, d4, d5, d6, d7)
LiquidCrystal lcd(12, 11, 5, 4, 3, 2); 

LcdBarGraph lbg(&lcd, 16, 0, 1); // Creates an LCD Bargraph object.

const int trigPin = 9;
const int echoPin = 10;
long duration;
int distance;
int distance1;
int speakerPin = 8;
void setup() 
{
  lcd.begin(16,2); // Initializes the interface to the LCD screen
  
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() 
{
  // Write a pulse to the HC-SR04 Trigger Pin
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  
  // Measure the response from the HC-SR04 Echo Pin
  duration = pulseIn(echoPin, HIGH);
  
  // Determine distance from duration
  // Use 343 metres per second as speed of sound
  distance= duration*0.034/2;
  distance1= 180 - distance ;
  // Prints "Distance: <value>" on the first line of the LCD

  if (distance1 > 100) {
   tone (speakerPin, 1000);
  
   } else {
    noTone (speakerPin);

  }
  lcd.setCursor(0,0);
  lcd.print("HEIGHT: ");
  lcd.print(distance1);
  lcd.print("  cm  ");

  // Draws bargraph on the second line of the LCD
  lcd.setCursor(0,1);
  lbg.drawValue(distance1, max_distance);
  delay(500);
}

Credits

Rohan Barnwal

Rohan Barnwal

8 projects • 6 followers

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