Build a prop from the classic anime and manga Sailor Moon with the Circuit Playground Bluefruit. In the series, the locket is gifted to Sailor Moon by Tuxedo Mask and magically plays a song and shows a crescent moon rotating. Using the magic of CircuitPython and electronics, you can recreate this effect.

The TFT Gizmo is used to add a TFT screen and an audio amp without any soldering.

A LiPo battery lets you display this as a wire-free prop or make it portable as a snazzy wearable.

The 3D printed snap-fit case gives the illusion of a solid locket. The top frame that sits over the Gizmo's TFT makes the screen appear to be a circle.

By default, a crescent moon will rotate around the screen. You can also press the buttons on the back to hear a song played through the speaker and to pause the animation.


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This guide was first published on Apr 06, 2021. It was last updated on 2023-11-29 08:56:24 -0500.

This page (Overview) was last updated on Apr 05, 2021.

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