Arduino and Robotics Projects

for Kids | Grade 5,6,7,8,9,10

Project Title

Addition using Arduino with lcd display

Description

The addition using arduino with lcd display is a simple electronics system performs the addition of numbers using arduino microcontrollers and shows the result on a 16*2 LCD Display.After reading the values,the arduino program processes the data and performs the addition operation.Once the calculation is completed the arduino sends the result to the LCD display,which shows the addition of numbers and their sum.The lcd makes it easy for the user to view the result clearly.The addition of numbers using an arduino is a basic and important project in electronics and embedded systems.It demonstrates how a microcontroller like the arduino uno can perform arithmetic operations and display results using output devices such as an LCD or setial monitor.In this project,the arduino is programmed to take two numbers as input,process them and calculate their sum.The result is then displayed to the user.Inputs can be provided in different ways depending on the design of the project.Overall,the addition of numbers using arduino is a simple yet powerful project.It forms the foundation for learning more complex embedded systems and real world applications such as biling machines,digital counters,and automated systems.By completing this project,learners gain hands on experience in coding,circuit design,and system integration.

Components Used

Arduino Uno
16*2 LCD display
Jumper wires

Connection Steps

First place the lcd display
LCD of GND pin–GND
LCD of VCC pin–+5v
SDA pin–Analog pin A4
SCL pin–Analog pin A5
Connect to the arduino UNO Board
Upload Arduino code

Arduino Code


#include <Wire.h>
#include <LiquidCrystal_I2C.h>

// Initialize the LCD at address 0x27 (16 columns, 2 rows)
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  lcd.init();
  lcd.backlight();

  int num1 = 15;
  int num2 = 50;
  int sum = num1 + num2;

  // Row 1
  lcd.setCursor(0, 0);
  lcd.print("Calc: ");
  lcd.print(num1);
  lcd.print("+");
  lcd.print(num2);

  // Row 2
  lcd.setCursor(0, 1);
  lcd.print("Sum = ");
  lcd.print(sum);
}

void loop() {
  // Empty loop
}

Applications

Educational Learning Tool.
Digital calculator Demonstration.
STEM Education project.
Interactive learning for kids.
Embedded system pratice.
Prototype for mathematical devices.
Basic calculator system.
Digital biling machines.
Arithmetic training tools.
Electronic voting machines(counting logic).

More about this project name Addition using arduino with Lcd display

What is addition of number?

Addition of numbers is a basic mathematical operation in which two or more numbers are combined to find their total or sum.

Working principle

The working of this project is simple and follows these steps:Two numbers are provided as input.Arduino processes the numbers using its internal program. The addition operation is performed.The result is sent to the lcd display.LCD shows both input numbers and the final result.

Advantages

Easy to understand.Low cost project.Improves coding skills.Useful for beginners.Real time display output.

Disadvantages

Limited to basic operations.Requries multiples wires.Lcd consumes more pins.Not suitable for complex calculations.

Limitations

Limited to basic arithmetic operations.

Cannot handle very large numbers efficiently.Requires external components like LCD,wires,and resistors. LCD interfacing uses multiple pins.Input methods may be limited.Not suitable for complex calculations like scientific functions.Accuracy depends on correct programming.Hardware connections can become complex for beginners. Limited memory and processing power compared to computers.Requires power supply to operated continuously.

Addition of number using Arduino with LCD Display