Magic Wand (With Cordless Upgrade!)
Created: Jan 24, 2017
I made a corded magic wand personal massager cordless!
Here's how I did it:
I bought a corded one thinking it had some sort of AC motor that would be more powerful than any dc motor. I later realized it actually had a power transformer inside that changed the power from AC to DC, so it really wasn't any better or different than the cordless ones other than its power source.
I removed the cord and transformer, which left a cavity for 4 rechargeable AA batteries to be wired in. That made it cordless and worked rather well until the batteries died and I had to take the wand apart again just to recharge it. I then managed to cram a 12v li-ion battery, pcm, and voltage converter inside, and the hole where the cord used to come out made a great place to put a barrel jack to serve as a charge port.