Make your own color-shifting Fusion Gems to turn Ruby and Sapphire into Garnet!

Use MakeCode to create two different projects -- a solo Circuit Playground Express gem that transforms colors, or a pair of them that react to each other!

Plus, you can create the Steven Universe theme song in MakeCode using a function and the built-in synthesizer engine!

Parts

You can build this project with a single Circuit Playground Express (CPX), or do an optional two CPX version!

2 x Circuit Playground Express
Round, Awesome Microcontroller Board
We've got nice cases for many of our beloved boards, but the Circuit Playground Express and
$4.95
In Stock
This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about...
$2.95
In Stock
Battery power for your portable project! These batteries are good quality at a good price, and work fantastic with any of the kits or projects in the shop that use AAA's. This is a...
$1.50
In Stock
This here is your standard A to micro-B USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Metro, Feather, Raspberry Pi or other dev-board or...
$2.95
In Stock

This guide was first published on Jan 25, 2019. It was last updated on Jan 25, 2019.

This page (Overview) was last updated on Sep 08, 2021.

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