1203B PWM DC Motor Speed Controller 6V–28V 3A – DC Motor Speed Regulator with Potentiometer SDTech Robotics

The 1203B PWM DC Motor Speed Regulator is a compact and efficient controller designed to precisely control the speed of DC motors using Pulse Width Modulation (PWM) technology. It supports a wide operating voltage range from 6V to 28V and can handle motor currents up to 3A, making it suitable for various low to medium power DC motor applications.

This module features an onboard rotary potentiometer for smooth and easy speed adjustment, ensuring high efficiency with minimal heat loss. It is widely used in robotics projects, DIY electronics, fans, pumps, conveyors, and automation systems.

Ideal for Arduino-independent motor control, this controller works directly with DC power supplies and motors, making it beginner-friendly and reliable for continuous operation.

Key Features

• PWM based DC motor speed control

• Wide voltage support: 6V / 12V / 24V / 28V DC

• Maximum output current: 3A

• Smooth speed control via onboard knob

• High efficiency, low heat generation

• Compact PCB with screw terminals

Applications

• DC motor speed control

• Robotics & automation projects

• Fans, pumps & small machinery

• DIY electronics projects

• Educational & STEM learning kits

Technical Specifications

• Model: 1203B

• Input Voltage: DC 6V – 28V

• Max Current: 3A

• Control Method: PWM

• Adjustment: Rotary potentiometer

• Mounting: PCB with terminal blocks

Package Includes

• 1 × 1203B PWM DC Motor Speed Regulator Module