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.


Circuit Playground Bluefruit is our third board in the Circuit Playground series, another step towards a perfect introduction to electronics and programming. We've...
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Extend and expand your Circuit Playground projects with a bolt on TFT Gizmo that lets you add a lovely color display in a sturdy and reliable fashion. This PCB looks just like a round...
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Hear the good news! This wee speaker is a great addition to any audio project where you need 8 ohm impedance and 1W or less of power. We particularly like...
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These nice switches are perfect for use with breadboard and perfboard projects. They have 0.1" spacing and snap in nicely into a solderless breadboard. They're easy to switch...
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By popular demand, we now have a handy extension cord for all of our JST-terminated battery packs (such as our LiIon/LiPoly and 3xAAA holders). One end has a JST-PH socket, and the...
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Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This...
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This guide was first published on Apr 06, 2021. It was last updated on 2021-04-06 16:43:45 -0400.

This page (Overview) was last updated on Apr 01, 2022.

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