Yu-gi-oh duel disk Arduino life counter

Hi, This is first upload for Arduino duel disk.
still working in progress.

## expected components
1. 16x2 LCD x 1
2. HD44780 LCD controller x 1
3. Arduino pro micro compatible x 1
4. Red LED x 2
5. Li-Po Battery x 1
6. DC-DC step up (3.7v to 5v) circuit.
7. LiPo Battery charger circuit.
and wires...