turntable: need some advice on motor etc

Other Hardware Motors, Mechanics, Power and CNC
8

You could get a stepper motor and driver combo like below and do some up front testing and code development to see if stepper motors (possibly larger ones) would work for your situation.

http://www.ebay.com/itm/DC-5V-Stepper-Motor-ULN2003-Driver-Test-Module-Board-for-Arduino-28BYJ-48-/171125775759?pt=LH_DefaultDomain_0&hash=item27d7e41d8f

http://www.ebay.com/itm/arduino-L298N-stepper-motor-drive-28BYJ-48-stepper-motor-drive-circuit-C-/370880546505?pt=LH_DefaultDomain_2&hash=item565a3406c9