The CCM5D Digital PWM DC Motor Speed Controller with LED Display operates from 6V to 24V DC at up to 8A, switching at 16kHz frequency with a live 0–100% duty ratio LED display, housed in an ABS body measuring 78x42x25mm. This ccm5d motor controller uses Pulse Width Modulation — it rapidly switches the motor’s power supply on and off at 16kHz, and the ratio of on-time to total cycle time (the duty cycle shown on the LED display) determines the effective average voltage delivered to the motor, which directly controls its speed without wasting power as heat the way a variable resistor-based controller would.
The ccm5d controller with display’s 16kHz switching frequency is specifically chosen because it sits above the human hearing range — conventional PWM controllers running at lower frequencies (1-5kHz) produce an audible whine from the motor windings at low speeds, while this pwm dc motor speed controller’s 16kHz operation keeps the motor acoustically quiet across its full speed range, including at slow speeds where low-frequency PWM whine is most noticeable. The 0–100% duty ratio display gives operators an exact numerical readout of current speed setting rather than estimating from a knob position.
One practical trade-off: as a pwm motor speed controller this unit controls brushed DC motors only — it is not compatible with brushless DC (BLDC), stepper, or AC motors, which each require dedicated controller types with different drive architectures. StemVolt provide controller is well-suited for makers building quiet variable-speed motor drives and practical PWM-controlled DC motor electronics projects.
Related Products:
- Checkout PWM Speed Controller 10A
Features:
- 16kHz PWM frequency keeps motor acoustically quiet at all speeds
- LED display shows live 0–100% duty ratio for precise speed readout
- 6V–24V range suits 12V and 24V brushed DC motor systems
- 8A maximum current handles fans, pumps, and small conveyor motors
- Full torque at low speed — PWM maintains motor torque across range
Technical Specifications:
| Specification | Details |
|---|---|
| Material | ABS |
| Operating Voltage | 6V – 24V DC |
| Max. Operating Current | Up to 8A |
| PWM Frequency | 16kHz (Quiet Operation) |
| LED Display | 0–100% Duty Ratio |
| Dimensions | 78mm × 42mm × 25mm |
Applications:
- CCM5D used for Arduino-triggered 12V DC fan speed control build
- College project uses ccm5d motor controller for PWM duty cycle demo
- Pump control uses ccm5d controller with display for India drip irrigation speed
- Robotics uses pwm dc motor speed controller for variable drive speed
- DIY lathe uses dc motor speed controller for spindle speed adjustment
Package Includes:
- 1 x CCM5D Digital PWM DC Motor Speed Controller














Sunaina Nair –
Delivery tracked properly
Ananya Banerjee –
Exceeded expectations
Aakash Chowdhary –
Exactly as described
Mandira Sen –
Bubble wrap packing and safe payment options ensured a smooth purchasing experience, while customer support was helpful with setup and controller operation guidance
Anubhav Khanna –
Accurate motor speed regulation with real-time digital display feedback, making it ideal for final year projects, automation systems, and DC motor control applications