LED Master Sword (The Legend of Zelda)

prusaprinters

<figure class="media"><oembed url="https://www.youtube.com/watch?v=1e_gSEJn-kM"></oembed></figure><p>&nbsp;</p><p>Though heavily inspired this is not a remix of "LED Zelda Master Sword with Sounds" by Adafruit, but designed from scratch from the source <a href="https://gallery.autodesk.com/fusion360/projects/master-sword--sheath-from-legend-of-zelda">https://gallery.autodesk.com/fusion360/projects/master-sword--sheath-from-legend-of-zelda</a></p><p>More photos can be found on my personnal website : <a href="https://galerie.strangeplanet.fr/index.php?/category/223">https://galerie.strangeplanet.fr/index.php?/category/223</a></p><p>Recommended support : <a href="https://www.thingiverse.com/thing:4799336">https://www.thingiverse.com/thing:4799336</a></p><p>&nbsp;</p><p><strong>Main differences from Adafruit version :</strong></p><ul><li>smaller parts to fit 220*220 print beds</li><li>no broken geometry</li><li>sturdier handle (larger walls and key insert in the guard)</li></ul><p>There are two versions of the handle :</p><ul><li>a classic version, similar to Adafruit's, split in half like the other parts, with a hole on the extremity of the pommel to add any kind of USB or DC jack</li><li>a solid version designed for a USB-C port and the pommel acting as a screw cap</li></ul><p>&nbsp;</p><p><strong>Electronics I used :</strong></p><ul><li>2x80cm WS2812 LEDs strip (2x48 LEDs)</li><li>18560 battery with protection circuit</li><li>TP4056 LiPo charger **</li><li>MT3608 Step Up Converter</li><li>Arduino Pro Micro</li><li>ADXL345 Accelerometer</li><li>USB-C female connector</li><li>11x5mm mini switch</li></ul><p>You could also use Adafruit's Feather M0 + Prop-Maker to replace the power circuit + controller + accelerometer.</p><p>** the standard TP4056 module found on Amazon or AliExpress does not support load sharing, meaning you MUST NOT charge the battery while the lights are on. You can find here <a href="https://www.best-microcontroller-projects.com/tp4056-page2.html">https://www.best-microcontroller-projects.com/tp4056-page2.html</a> a guide to add load sharing capabilities with a P-MOSFET a Schottky diode and resistor.</p><p>(The provided wiring diagram does not contains the load sharing part)</p><p>&nbsp;</p><p><strong>Print settings :</strong></p><ul><li>0.2mm layer height</li><li>2 walls (3 for the Handle)</li><li>10% gyroid infill</li><li>5mm brim</li><li>no support</li></ul>