Here's a pretty decent representation of my wiring and nearly completed wiring, exclusive of resistors on the blade LED. There are also some resistors on the Arduino to build a voltage divider so I can measure the battery level. Now that I look at it like this, I should probably swap the position of the Arduino and Nano Biscotte. The Arduino is actually flipped over from this, so most of the interconnects are going from end to end. It looks kinda nice, in the theme of the build, but it will be totally concealed and makes everything slightly more bulky. I originally chose this arrangement because I figured the NB would work better further up the hilt, but in reality it would end up about at the middle of my grip. On the other hand, the sensors would end up pretty close to the speaker if moved it. With the bassy, buzzy sound font I'm using I might open myself up to a lot of ghost swings.
The I have 2 main disconnects, one between the ignition section and the logic section, and the other is an external port for serial interface to the Arduino. At the moment serial interface allows me to adjust LED color, stability effects, and brightness, and check battery levels with my phone or computer, as well as reprogram the Arduino. The programming is pretty much complete, and I'm using about 70% of the RAM. I'm not sure what else I would add anyway. I may drop the auxiliary button and go to an audio jack if I can't get it assembled. Debating how best to assemble and arrange the ignition section. My original chassis design is pretty close to the actual construction, so I'll tweak that and get it ordered up as soon as I get the ignition section finalized.
My only wish at this point is that I ordered a colorless blade as well as the purple blade to show off the effects I've coded. I went with purple for display and photo, and didn't even consider getting a colorless blade as well. Penny wise, dollar foolish on that.
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