Spindle Control and Power Box

WARNING: This is a non-isolated PSU for the 500W spindle. Take care when working with high voltage that can shock and kill you. Also when plugged in the back near the plug has line voltage, Always unplug before wiring and servicing. Not responsible for injury or death. I would advise grounding the CNC frame to trigger the fuse instead of your body.

FINAL UPDATE 1/31/2020:
TLDR; Don't make this, instead make this -> https://www.thingiverse.com/thing:4198567

Some times its more important to admit when you did something that really wasn't that useful... I did learn a ton about noise and electronics.

I find myself mostly using manual mode which negates most of the electronics. Knowing RPM is not as useful as I thought since sound of the bit in the material is more important than a number on an excel from the last board. As for vibrations checks slap a pair of googly eyes on your router and they start jiggling you know you have chatter and a feed-speed issue along with the