High Voltage DC Motor Speed Controller PWM Motor Driver Model NFP-PWM-CCM2 | Microdcmotors.com
PWM DC Motor Speed Controller Switch Control 12V 24V 36V - RobotShop
DaFuRui 12V~40V 10A PWM DC Motor Speed Control Switch Controller Voltage Regulator Dimmer for Arduino with Reverse Polarity Protection, High Current Protection: Amazon.com: Industrial & Scientific
Amazon.com: DC Motor Driver, DROK L298 Dual H Bridge Motor Speed Controller DC 6.5V-27V 7A PWM Motor Regulator Board 12V 24V Electric Motor Control Module Industrial 160W with Optocoupler Isolation : Everything