This article will be continuously updated and recently updated on Apr 25, 2019.
Note：It is recommended to use a laptop to send scrolling words to the screen. Because the screen of the phone is too small, it is difficult to control with a mobile phone, but for buyers without a computer, this is a solution.
Software download(PC): hd2018v1.0.3
APP(ISO, APPLE APP STORE): LedArt2.2