The PhidgetServo 1-Motor is a USB based controller that can control a Remote Control (RC) servo motor. The motor output is powered directly from the USB port. The PhidgetServo has a step accuracy of 0.1 degrees, but the actual positional accuracy of the servo motor is dependant on the physical characteristics of the specific servo used. If you need a servo with this controller, buy the kit instead and save some money. Comes packaged with a 6-foot USB Cable, and a Getting Started Manual. For...