light – Marginally Clever Robots

Tutorials

Animated Carnival Light Arrow Upgrade

2017-06-19 Dan

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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This led sign was just…on, so I threw an arduino at it and made it fancy. #fancy #led #signage

A post shared by Marginally Clever Robots (@imakerobots) on Jun 18, 2017 at 9:49pm PDT

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Tutorials

How to use an 8×8 LED grid with Arduino

2017-03-08 Dan

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.

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