What is an LED display?

An LED display is a digital lighting panel or a lamp that uses LEDs to generate light and an electronic display to create text, numbers, and symbols. It can be an indicator, a signal, or a light source. In this application, we will use it to display text messages. 

How does it work?

First of all, you need to install this application. You will find it in the Google Play Store. Once you open it, you will find a few options. You can change the color of each LED to customize your own scrolling screen! It looks realistic and it's easy to customize.