Notes and resources

size of hand

turn table ( wires , slip ring )

see examplels of things that touch

lazy sussan ring

turn table bare ring

https://www.grainger.com/search/power-transmission/bearings/slewing-ring-bearings?searchQuery=turntables+bearing&sst=4&gwwRemoveElement=true

https://www.adafruit.com/product/736

gyrometer