DC Motor Controller, Yeeco DC 6-90V 15A 12V DC Motor Speed Controller, Universal 0.01-1000W 16kHz PWM Stepless Brushed Motor Control, Variable Speed Control Generator with reverse Potentiometer you can adjust power supply output 1.6mm FR4 double-sided circuit board, perfectly working With Power supply reverse polarity protection,voltage overvoltage Protection,20A fuse;It can be used by PLC voltage Directly control The board can control motor speed to change between 0% to 100%