LCD Screen Setup Tutorial

How to wire and code 16 x 2 LCD Screen with Arduino Uno

Hardware Required

  • Arduino Uno Board
  • LCD Screen (compatible with Hitachi HD44780 driver)
  • 10k ohm potentiometer
  • 220 ohm resistor
  • hook-up wires
  • breadboard

Circuit

To wire your LCD screen to your board, connect the following pins:

  • LCD RS pin to digital pin 12
  • LCD Enable pin to digital pin 11
  • LCD D4 pin to digital pin 5
  • LCD D5 pin to digital pin 4
  • LCD D6 pin to digital pin 3
  • LCD D7 pin to digital pin 2