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NEW!Keyestudio EASY plug I2C 2004 LCD Display Module for Arduino STEAM

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An LCD, or liquid crystal display, is a simple screen that can display commands, bits of information, or readings from your sensor - all depending on how you program your board.

This module is a 20 character by 4 line LCD display with Blue background and White backlight.

The original 2004 LCD needs 7 IO ports to be up and running, ours is built with Arduino IIC/I2C interface, saving you 5 IO ports.

This LCD is ready-to-use because it is compatible with the Arduino Liquid Crystal Library. It comes with EASY Plug connector, you can use one line for simple connection.


  • Interface: I2C
  • I2C address: 0x27
  • White text on blue background
  • 20 characters wide, 4 rows
  • Operating voltage: +5V
  • Contrast control: through potentiometer

Technical Details

  • Dimensions: 114mm*60mm*22mm
  • Weight: 77.7g


Connection Diagram





This module should be used together with easy-plug control board, the link to the control board is as follows:



Note: To ensure that this module will work properly, these two head files, namely Wire and LiquidCrystal_I2C, must be added into our library before code test.


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