The 1203B PWM DC Motor Speed Controller operates from DC 6V to 28V with a maximum 3A current rating, providing 0–100% speed control range for brushed DC motors. This motor speed controller uses Pulse Width Modulation — rapidly switching power to the motor on and off — to control the effective average voltage delivered, which determines motor speed, without wasting excess energy as heat the way a resistive voltage divider-based speed control approach would.
The dc motor speed control’s 6V to 28V operating range makes it compatible with a wide band of common DC motor supply voltages including 6V, 12V, and 24V systems, and its 3A current limit suits smaller brushed DC motors used in fans, small pumps, and model vehicles. Compared to the CCM5D PWM controller covered separately, this pwm controller is a more compact and economical option without a built-in LED display, suited for projects where a visible duty ratio readout is less important than minimal size and cost. The specification of this 12 volt dc motor speed controller has no dedicated on/off switch — the knob controls speed from near-zero to full speed without a separate stop function.
this pwm motor control module’s 3A current ceiling is lower than higher-rated PWM controllers, making it unsuitable for larger DC motors drawing above 3A under load — exceeding this limit risks overheating the driver circuit. StemVolt provide is well-suited for enthusiast and lenears building compact variable-speed DC motor drives and practical low-current speed regulator.
Related Product:
- Checkout A4988 Stepper Motor Driver Module
Features:
- 6V–28V wide range suits 6V, 12V, and 24V DC motor systems
- PWM control delivers efficient speed adjustment without heat waste
- 0–100% speed range from near-zero to full motor speed
- Compact design without display suits minimal footprint installations
- 3A rating suits small fans, pumps, and light-duty motor builds
Technical Specifications:
Applications:
- 1203B used for Arduino 12V fan variable speed control build
- College project uses motor speed controller for PWM efficiency demo
- Aquarium uses dc motor speed control for India water pump flow rate
- Model car uses 12 volt dc motor speed controller for drive speed adjust
- Ventilation uses speed regulator for compact duct fan speed control
Package Includes:
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1 x 1203B PWM DC Motor Speed Controller
Tarun Dutt –
Smooth and efficient DC motor speed control, making it ideal for electronics projects, robotics applications, and educational experiments
Rakesh Punia –
Impressed with quality
Anjneya Sharma –
Packed neatly with a transparent checkout process, while the support team was helpful with controller selection and project-related guidance
Kapil Bajaj –
Trusted store product
Manan Mansukhani –
Received on time
Dharmendra Pradhan –
Suitable for variable speed motor control, DIY automation systems, and STEM projects requiring reliable PWM-based speed regulation and easy operation.