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I did something similar recently, 12 18650s in four triplets, no speakers or BT module. Gives something close to 30000mAh, takes forever to charge, but forever to run down, too.
I would just bake mine in an oven. Don't set the temp high or you'll brown the insect, but something around 225-250F ought to drive off all water in a few hours. For a big and expensive project, I'd probably bake at 200-225F for a longer amount of time, reduces the risks at the cost of more time.
Also, it might be my bad memory, but I recall Hammond's cane in the movie having quite a few inclusions and defects, mostly looked like tiny specks of dirt. I would try to replicate that, at least a little bit. Perfection is boring!
Good enough for the girls I go out with? Could you loan me some tap water?Nice 'ible, I may have to adapt the design to my sense of decor and try this out myself!
Your buzzing sound was your floating ground. Get a GFI (Ground Fault Interrupter) and drop it in, problem solved. It basically just isolates your audio output from your noisy ground plane a little better. Alternately, you can go back in and decouple your ground plane better in your circuits, same difference.
Expect it to run from 0$ to 200$ or more, depending on what parts you already have. Sorry I can't give a better number, but some folks have easier access to parts. 200$ would get a very nice setup, from nothing.
My "Hello Kitty" BATTLE rifle, PLZ. Also, the luscious rich pink color fills my enemies with confusion and love while I fill them with high velocity lead fragments. Full win across the board.
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Nice work, I've been thinking about turning a large pile of excess 18650s I have into new guts for an old powerbank. Nice to see it already done. I'm going to use an aluminum project enclosure (and very careful isolation/shielding) to make mine a little more robust.Thanks, good 'ible!
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