Arduino Development Boards and Stepper Motors can be purchased from Amazon, Ebay, etc.
Click Arrow for two video clips of the turntable in operation
IR Point Controller
Turntable Mk II
Arduino Development Software (Editor/Compiler) link
This project is put into the public domain for interest only. Errors and omissions are excepted and no claim for accuracy is implied.
Turntable II.zip sketches and libraries
Arduino Turntable MkII Article (PDF)