Profile: Polyspede Electronics Corp. specializes in manufacturing AC and DC motor speed controls & engineered systems. We provide motors, transformers and other accessories to complete the automation requirements. Our Iso-Volt II circuit board is a signal isolator and conditioner. This board can process a wide range of DC voltage or current signals into an isolated 0-6 VDC output for speed, or torque programming of a Polyspede™ motor control. The master reference supply board is designed for multiple-motor control applications. It is a variable voltage power supply with a 0-6 VDC output controlled by an external potentiometer.