У вашего броузера проблема в совместимости с HTML5
The scrolling text sign on my work bench has been showing some instability recently. Which isn't a huge surprise, since It was just thrown together "temporarily" on a breadboard a couple of years ago.
Today, I finally got around to making it more reliable and more permanent.
I know someone is going to ask... The code that I am using to drive this thing was borrowed from Yvan over at Brainy Bits: https://www.brainy-bits.com/scroll-text-using-the-max7219-led-dot-matrix/
And here's the video where I assembled the first part of it:
https://www.youtube.com/watch?v=mgvC-lVpvqA&t=623s
-----
My tip jar: https://www.patreon.com/pileofstuff
-----
This isn't the only way to do it.
It's probably not the best way to do it.
But it's how I do it.