Powered rotating platform: SplitRing or Wifi or ? - Interactive Art - Arduino Forum
Types and Usage of the Slip Rings - The Engineering Projects
Arduino motor control with slipring - YouTube
Taidacent Hollow Slip Ring Rotary Electrical Contact 2/4/6/12 Wires Collector Ring Conductive Electric Motor Slip Ring Rotating Connector (6 Wires 10A Inner Hole 12.7mm OD 54mm) - Amazon.com