Mini DC 3A Motor PWM Speed Controller

Take full control of your DC motor’s speed with this compact PWM Speed Controller, designed for hobbyists, students, and makers working on low-voltage brushed DC motor projects. Using Pulse-Width-Modulation technology, this mini controller delivers smooth, stepless speed adjustment through a simple onboard potentiometer, making it ideal for robotics builds, RC vehicles, model trains, cooling fans, and general electronics experiments. Its compact footprint allows easy integration into small enclosures, while the built-in overcurrent protection helps safeguard your motor and power supply from damage. This DC motor speed regulator, also useful as a PWM dimmer switch for LED lighting projects, is a reliable and affordable addition to any maker’s toolkit. Simply connect your DC power source and motor, then turn the potentiometer knob to dial in the exact speed you need. Please note this module is strictly for DC power sources; never connect it to AC mains, and always double check polarity before powering on, as reversed connections can permanently damage the board. Lightweight, durable, and easy to wire, this controller is a great match for Arduino, Raspberry Pi, and general DIY electronics setups where variable motor speed control is required.

Specification:

• Input Voltage : 6V – 28V DC
• Maximum Continuous Current : 3A
• Maximum Output Power : 80W
• Control Method : PWM (Pulse Width Modulation)
• Duty Cycle Range : 0% – 100%
• Adjustment Method : Onboard Potentiometer