How to use I2C LCD Display with Arduino Uno | 16x2 LCD Programming Guide | Khurafati Labs
Namaste Doston! 🛠️ Welcome back to Khurafati Labs.
Want to give your projects a professional display? Today, we are integrating the 16x2 LCD Display with an I2C Module. No more messy wiring! With I2C, we can control the entire screen using just 4 wires, leaving more pins free on your Arduino for sensors and motors.
In this video, you will learn:
✅ Why I2C is better than standard LCD wiring.
✅ Connecting SDA and SCL pins correctly to the Arduino.
✅ Installing and using the LiquidCrystal_I2C library.
✅ Printing custom messages and "Khurafati" branding on the screen.
Circuit Connections:
VCC ⮕ Arduino 5V
GND ⮕ Arduino GND
SDA ⮕ Arduino Analog Pin A4
SCL ⮕ Arduino Analog Pin A5
Code for the Project:
(Note: Please install the 'LiquidCrystal I2C' library from the Library Manager)
// 16x2 I2C LCD Integration - Khurafati Labs
#include [Wire.h]
#include [LiquidCrystal_I2C.h]
// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
lcd.init(); // Initialize the LCD
lcd.backlight(); // Turn on the blue backlight
// Print a message to the LCD
lcd.setCursor(0, 0); // (Column, Row)
lcd.print("Khurafati Labs");
lcd.setCursor(0, 1);
lcd.print("System Online!");
Serial.begin(9600);
Serial.println("Display Updated Successfully!");
}
void loop() {
// Add your sensor data display code here!
}
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