Mini PWM DC Motor Speed Controller 3V–35V 90W 5A LED Dimmer
Mini PWM DC Motor Speed Controller 3V–35V 90W 5A LED Dimmer
Mini DC Motor PWM Speed Controller – 3V to 35V, 90W, 5A
Take precise control of your DC motors and LED lighting with this compact yet powerful PWM Speed Controller Module. Compatible with a wide voltage range of 3V to 35V DC and capable of handling up to 90W / 5A, this versatile module is ideal for hobbyists, makers, and electronics enthusiasts alike. A single dial lets you smoothly adjust motor speed or LED brightness from 0% to 100% — no complex wiring or programming required.
Key Features
- Wide Voltage Range: Compatible with 3V, 6V, 12V, 24V, and up to 35V DC systems
- High Power Capacity: Handles up to 90W continuous load at 5A current
- PWM Technology: Pulse Width Modulation delivers smooth, efficient speed and brightness control
- Dual Functionality: Works as both a DC motor speed regulator and an LED light dimmer
- Built-In Control Switch: Conveniently start or stop your device without disconnecting power
- Compact & Lightweight: Small form factor fits easily into custom builds, enclosures, and DIY projects
- Easy to Use: Simple rotary knob adjustment — no coding, no complex setup
- Broad Compatibility: Suitable for fans, pumps, small DC motors, LED strips, and more
Specifications
| Input Voltage | 3V – 35V DC |
| Max Output Power | 90W |
| Max Output Current | 5A |
| Speed/Brightness Adjustment | 0% – 100% (rotary knob) |
| Control Method | PWM (Pulse Width Modulation) |
| Suitable For | DC Motors, LED Strips, Fans, Pumps |
| Country of Origin | Made in Mainland China |
Common Applications
- Speed control for small DC motors in DIY robotics and CNC builds
- Dimming LED strips and panels in custom lighting projects
- Fan and pump speed regulation in cooling systems
- Automation and electronics prototyping
- 12V automotive and workshop accessory control
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Frequently Asked Questions
Q: What types of loads can I control with this PWM Speed Controller?
A: This DC Motor PWM Speed Controller is compatible with a wide range of resistive and inductive DC loads including small DC motors, LED strips and panels, cooling fans, water pumps, and other 3V–35V DC devices drawing up to 5A / 90W. It is not suitable for AC loads.
Q: Can I use this PWM controller as an LED dimmer?
A: Yes! This module doubles as an LED dimmer. Simply connect your DC LED strip or panel (within the supported voltage and current range) and use the rotary knob to smoothly adjust brightness from fully off to fully on. It works great for 12V and 24V LED lighting setups.
Q: Is any special wiring or programming needed to use this controller?
A: No programming is required. The module features a straightforward wiring setup with clearly labeled input and output terminals. Connect your DC power source to the input terminals and your motor or LED load to the output terminals, then use the built-in rotary knob and switch to control operation instantly.
Q: What is PWM and why does it matter for motor speed control?
A: PWM stands for Pulse Width Modulation. It rapidly switches power on and off to the load at varying duty cycles, which effectively controls the average voltage and current delivered. This method is highly efficient, generates less heat than resistor-based controllers, and provides smooth, precise speed or brightness adjustment without significant power loss.