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Animated Carnival Light Arrow Upgrade

Paul came to the shop with a 2′ carnival light arrow sign that had five LED light bulbs inside. He asked if I could make them light one at a time to animate the pointing effect. Read on to see how it was done.

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How to use an 8×8 LED grid with Arduino

In recent posts I’ve covered how to use LEDs and how to use shift registers and even how to combine shift registers and LEDs to control numeric displays.  In this post we’re going to use 64 LEDs in an 8×8 LED grid.

ELEC-0082 LED grid red

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