LED marquee

led marque

[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. The second controls how fast the sequence advances. The shift registers cascade through each row of LEDs. Here’s a CoralCDN of the video. The project is pretty simple, but hey, you’ve got to start somewhere. It does fit well with our “LEDs whee!” attitude.

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