Pololu Jrk 12A 6-16V USB Motor Controller with Feedback

The Pololu Jrk 12A 6-16V USB Motor Controller with Feedback is a highly configurable brushed DC motor controller that supports four interface modes: USB, logic-level serial, analog voltage and hobby radio control (RC). The controller can be used as an open-loop speed control or for closed-loop speed or position control. The continuous output current is approximately 12A (30A max) and the operating range of 6-16V with transient protection up to 40V. The analog voltage and tachometer (frequency) feedback options allow quick implementation of closed-loop servo systems, and a free configuration utility (for Windows 7, Vista, or Windows XP) allows easy calibration and configuration through the USB port.