The I2C 20x4 LCD Module for ODROID H3 displays 20 characters wide, 4 rows in white text on a blue background. It has a backlight, a contrast adjustment  potentiometer, and a simple I2C communication interface.

You can connect it to ODROID-H2 with four jumper wires directly and you will like to monitor important real-time system information from Linux OS.

SPECIFICATION

   I2C Address: 0x3F or 0x27

   Number of Characters: 20 characters x 4 Lines

   Blue LED backlight with white font color

   Adjustable contrast

   Supply voltage: 3.3V

   Interface: I2C 400Khz

   Dot size: 0.55 x 0.55 mm

   Dot pitch: 0.60 x 0.60 mm

   Character size: 2.96 x 4.75 mm

   Character pitch: 3.55 x 5.35 mm

   Size: 98x60x22mm

 

This WiKi page explains how to use this LCD module with ODROID-H2.

WiKi : https://wiki.odroid.com/odroid-h2/application_note/i2c_20x4_lcd