- Stable drive for brushless DC three phase motors with small footprint and low power, suitable for air pumps, water pumps, fans and small electric tools used in industrial control. The drive features a user friendly design and integrates speed control on the board. - Built in potentiometer speed control on the board: simply connect power and cables, saving time and effort. This brushless DC speed controller is designed for convenient and reliable motor speed control. - Supports external potentiometer speed control: for users who need precise speed adjustment for DC motors. The module can be easily connected to an external potentiometer for flexible control. - Specially designed for small spaces: compact and easy to install driver board for DC brushless motors is suitable for applications with space constraints. Enjoy efficient motor speed control without sacrificing performance. Use scenarios - In compact air pumps and small cooling fans for electronics, where space is limited and stable, controllable speed is important. - In small water pumps for fountains, aquariums, or drip irrigation, where adjustable speed improves performance and efficiency. - In portable or space saving electric tools and industrial control setups, where reliable speed control and easy installation are required.