Harry Vader's fully armed and operational Elder Light Saber Wand
Description
This is an iteration of a previous design that is printed with hollow parts to allow the installation of electronics. There is a 9 volt battery, power switch, keyboard key switch (Cherry brand), dual red/blue LED (or newer 3-color RGB), and an Arduino Pro Mini (5VDC) tucked inside. I posted a video on YouTube on how to safely operate the wand/saber without casting spells on yourself or lopping off your own arm. https://www.youtube.com/watch?v=vIBVMNUQPq0 Attributions : Adriano Cazzarotto : RGB LED : https://grabcad.com/library/led-rgb-5mm-1 Pamir : Arduino Pro Mini : https://grabcad.com/library/arduino-pro-mini-1 Oliver Darvas : 9 Volt Battery : https://grabcad.com/library/9-volt-battery-2 Kevin Yu : Cherry Switch : https://grabcad.com/library/cherry-mx-switches-mx-1 Mini Switch resized from a McMaster Carr item. B.O.M. : Power switch : http://www.microcenter.com/product/465454/miniature-snap-in-nylon-illuminated-rocker---red-switch Arduino Pro Mini (5VDC logic) : http://www.microcenter.com/product/486546/arduino-pro-mini-board Dual LED : http://www.microcenter.com/product/390134/led---dual-color-5mm-super-fresh-red-super-blue-3-pack Cherry switch : https://www.amazon.com/gp/product/B077TK5DL9/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1 Keycaps (not exact match) : https://www.amazon.com/gp/product/B077C287J2/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 9 Volt Battery Leads : http://www.microcenter.com/product/497120/9v-battery-clip OR https://www.amazon.com/COOLOOdirect-Connection-Plastic-Battery-Connector/dp/B06ZZHKWBF/ref=sr_1_3?s=electronics&ie=UTF8&qid=1535513025&sr=1-3&keywords=9v+connector You'll also need one 10K pull down resistor for the push button input on the Pro Mini, and two 1K resistors for the LEDs. Update : added a new version of the handle and pommel with threads. This handle allows more room for the electronics (yay!). Update : added code for 3-color LED wand with 6 modes. This program cycles through the six modes each time you press the cherry switch, and the light show is always active - no timeout. I found out that the mini regards high and low states as opposite the voltage being applied to the inputs, which is irritating, but it's not a show-stopper so I left the code as-is. As a result, the wand will wake up in mode 1 instead of mode 0 - no biggie, but there it is. Update : added basic schematic for 3-color LED version. Note that the 3-color LED has positive 5VDC as the common lead, unlike the dual color LED. You'll have to confirm the polarities on whatever LEDs that you use.
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