Interface lcd With Arduino Uno

Liquid crystal display is a very essential part in all embedded devices form calculator to printing machines,LCD works with voltage pluses ,with two or more kind of IC drivers in lcd display from LCD module.

Lcd Pin Configuration

Lcd command

Hardware Required

  • Lcd.
  • PotentioMeter.
  • Arduino.



 #include <LiquidCrystal.h>
 LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
 void setup()
 //LCD's number of columns and rows:
 lcd.begin(16, 2);
 // Print a message to the LCD.
 lcd.print("hello, world!");
 void loop()
 // set the cursor to column 0, line 1
 lcd.setCursor(0, 1);
 // print the number of seconds since reset: