[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.

Unscrew the LED bulbs from their string ... When dry, you can reconnect the string lights to their bulbs from the back. Then ...

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 ...