The PWM 3A DC Motor Speed Regulator/Controller is a compact and efficient module designed to precisely control the speed of DC motors up to 3 A. Utilizing Pulse Width Modulation (PWM) technology, it allows smooth and stepless adjustment of motor speed without generating excessive heat. Ideal for robotics, small appliances, and DIY electronics, this regulator ensures stable and efficient motor operation for a variety of low-power DC applications.
Technical Specifications
Core Specifications
Operating voltage: 6 V to 35 V DC
Maximum current: 3 A continuous
Control method: PWM (Pulse Width Modulation)
Speed control: Stepless adjustment via onboard potentiometer
Direction control: Not supported
Electrical & Physical
Compact PCB design approximately 50 mm × 30 mm × 15 mm
Input terminals for motor and power supply connections
Onboard potentiometer knob for easy speed adjustment
Built-in heatsink area for thermal dissipation
LED indicator for power/status monitoring
Environmental
Operating temperature range: –10 °C to +60 °C
Suitable for indoor electronics and light-duty motor applications
Why Choose the PWM 3A Motor Regulator
Provides precise and smooth speed control for DC motors
Supports up to 3 A continuous current for small to medium motors
Compact and easy to integrate into DIY electronics, robotics, and small motor projects
Critical Uses
Arduino and microcontroller-controlled robotics
Motorized toys, fans, and small appliances
DIY conveyor belts and automation systems
Battery-powered DC motor projects requiring adjustable speed
Pro Tips
Use a properly rated DC power supply to avoid overheating
Do not exceed the 3 A current limit to protect the module
Adjust the potentiometer slowly for fine-tuned speed control
Ensure good ventilation if operating continuously at high load
Package Includes
1 × PWM 3A DC Motor Speed Regulator/Controller