However, his latest video uses some a MAX7219 to create a 600 character scrolling LED sign. You can see a video of the thing, below. Spoiler alert: not all characters are visible at once.

There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some… ...

[July 24, 2006] The company's line of dot matrix, 5 x 7 LED alphanumeric displays now include the first smart displays with blue characters in an 8-character, rectangular package. About the width ...