Rather than resorting to picking through every estate sale for the large marquee letters, symbols, and full signs that can be ...

[Ben Kokes] put together this guide for building an LED marquee. The design uses two 555 timers plus a bunch of shift registers. The first 555 handles the rate at which the LEDs turn on/off.

So how does one interface their Raspberry Pi with this beautiful 64×32 LED marquee display? Well it just so happens that [Al] is in the business of making cool LED displays, and even has a couple ...