High Heel Pumps with 64 LEDs

To exhibit at Maker Faire Tokyo 2017, I made a prototype of high heel pumps with led illumination.

I dare used white LED, not RGB LED.


Microcontroller: Pololu A-Star 32U4 Micro (Arduino Micro compatible)
LED Controller Driver: HOLTEK HT16K33
Swarovski:2058/2088 Crystal Shimmer
Battery: LiPo 3.7V 400mAh
Boost Converter: Sparkfun LiPower (TI TPS61200)

In order to conceal those units under the shoe sole, small parts are adopted.
Arduino Micro or ordinary HT16K33 breakout board are too large.