Build Some Entertainment For Young Holiday Guests

Need a good excuse to duck out on the family over the holidays and spend a few hours in your shop? [Jens] has just the thing. He built a color-mixing toy that looks great and we’d bet you have everything on-hand necessary to build your own version.

The body of the toy is an old router case. Who doesn’t have a couple might-be-broken-but-I-kept-it-anyway routers sitting around? Spray painted red, it looks fantastic! The plastic shell hosts 6 RGB LEDs, 3 toggle switches, and 2 buttons. [Jens] demonstrates the different features in the demo video below. They include a mode to teach counting in Binary, color mixing using the color knobs, and a few others.

Everything is driven by an Arduino Pro Mini. The lights are APA106 LEDs; a 4-pin through-hole package version of the WS2812 pixels. You could easily substitute these for the surface mount varieties if you just hot glue them to the underside of the holes in the panel. We’d love to see some alternate arrangements for LEDs and a couple more push buttons for DIY Simon Says.

We like to see simple projects like this come from hackers we know have elite skills. [Jens] has been featured numerous times for projects like this (ink) pen testing robot. His color mixing toy shows that you don’t have to set records with every build. Simple and well-executed is just as impressive.

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