PWM DC Motor Speed Controller 5V–35V Adjustable Module
PWM DC Motor Speed Controller Module – 5V to 35V Adjustable Regulator
Take precise control of your DC motors and LED loads with this compact, high-efficiency PWM Motor Speed Controller. Designed for electronics enthusiasts, DIY makers, and hobbyists, this module delivers smooth, stepless speed regulation with a simple rotary potentiometer — no complex setup required.
Made in Mainland China.
Why You'll Love It
- Wide Voltage Compatibility: Works seamlessly across a 4.5V–35V DC input range, making it versatile for a broad spectrum of projects.
- Stepless Speed Control: The on-board rotary potentiometer adjusts PWM duty cycle from 1% to 100%, giving you full control over motor speed or LED brightness.
- High Conversion Efficiency: Low power consumption with a standby quiescent current of just 7µA — energy-conscious without sacrificing performance.
- Built-In Power Switch: The potentiometer doubles as a power switch for added convenience and safety.
- Continuous 5A Output: Capable of delivering a steady 5A to your DC motor or load, with a maximum output power of 90W.
- Short-Circuit Protection: Default disconnection on short circuit helps protect your components and circuits.
- Compact Form Factor: Tiny 30mm × 26mm × 14mm footprint fits neatly into any project enclosure or breadboard setup.
- On-Board Power Indicator: Easily confirm power status at a glance.
Technical Specifications
| Potentiometer Type | Synthetic Carbon Film |
| Working Voltage | DC 4.5V – 35V |
| Output Current | 0 – 5A (continuous) |
| Max Output Power | 90W |
| Quiescent Current | 7µA (standby) |
| PWM Duty Cycle | 1% – 100% |
| PWM Frequency | 20 kHz |
| Dimensions | 30mm × 26mm × 14mm (excl. handle) |
What's in the Box
- 1 × PWM DC Motor Speed Controller Module
Perfect For
- DIY electronics projects and prototyping
- DC motor speed regulation
- LED light dimming and brightness control
- Arduino, Raspberry Pi, and other maker board integrations
- Repair, maintenance, and hobbyist applications
Looking for more tools and accessories for your projects? Check out our 1/2" Drive 8-Piece Hex Short Socket Set – Vanadium Steel, our 10-Piece Gardening Tool Kit – Iron Head & Plastic Handle, or explore our 10-Pc Hex Nut & Bolt Extractor Kit for even more workshop essentials.
Note: Slight color variation may occur due to monitor and camera differences. Minor dimensional tolerances are within normal range.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What voltage range does this PWM motor speed controller support?
A: This PWM DC motor speed controller module supports an input voltage of DC 4.5V to 35V, making it compatible with a wide variety of DC motors, fans, LED strips, and other DC loads commonly used in DIY and maker projects.
Q: Can this controller be used to dim LED lights as well as control motor speed?
A: Yes! In addition to adjusting DC motor speed, this module is ideal for controlling LED light brightness. The rotary potentiometer provides stepless adjustment from 1% to 100% PWM duty cycle, giving you smooth, precise control over both motors and LED loads.
Q: Is there any short-circuit protection built into this module?
A: Yes, the module features default disconnection on short circuit, which helps safeguard your connected components and circuitry in the event of an accidental short during operation or testing.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.