Disc Sander(remixed)

- Used an old WD(Western Digital) hardrive. Modified the plastic disc and sander box to make it ticker to fit on WD motors .Also provide with 6 holes instead of 4.
- Use also any normal cheap 6-10A esc(no opto with BEC,with full servo PWM leads) from old quad(drone) -servo PWM controlled
https://www.ebay.com/itm/10A-Brushless-Motor-Speed-Controller-RC-ESC-BEC-For-RC-Helicopter-UK/112743739407?hash=item1a400cf00f:g:BkMAAOSwnlFaVGuS
- Used a servo PWM generator in arduino programmed on a re-pu