Traxxas 3350X Velineon Brushless Power System Waterproof by Traxxas. $169.99. From the Manufacturer The Velineon VXL-3s forward/reverse electronic speed control simplifies brushless technology with easy, built-in profiles and intuitive programming. Tri-mode operation auto detects the motor type for brushed, sensored or sensorless brushless motors. The VXL-3s uses advanced circuit design that allows sensorless brushless motors to operate with the smoothness and...
The ie-x is equipped with a recycled high-density poly tabletop, extendable legs that adjust for portability/storage, electronic speed control with reversing switch, a self-tensioning poly-v drive belt and a cast aluminum foot pedal.
If you are looking for a 3 phase induction motor speed controller circuit, this post will help you to understand the details
http://tcd.co.uk/product/einhell-rt-mg200e-multitool-200w-240v-einrtmg200e_einrtmg200e.html The Einhell RT-MG200E multi-tool is a 200 watt multi-tool with soft grip handle, soft start and electronic speed control. The ultra-slim design allows access to otherwise inaccessible areas. Standard Accessories include: You will receive a FREE Gift from Trade Counter Direct when you order this item!!!