- LED Display Design: This DC motor speed controller features a digital display that shows the percentage of the motor’s maximum speed, making data easy to read at a glance. - Stable Performance: It provides reliable operation with a short-term start/stop switch and a speed control potentiometer for easy, precise adjustment. - Display Percentage: The display shows 0-100 percent of full motor speed, not the RPM. For example, if the motor maximum is 500 RPM, 100 corresponds to 500 RPM and 50 corresponds to 250 RPM. - High Quality PCB: Built on a high quality circuit board for dependable use and stable performance. - Use scenario 1: In DIY robotics, this controller can regulate drive motor speed for smooth, controllable movement. - Use scenario 2: In small automation or educational projects, it enables precise speed tuning for DC motors in experiments or demonstrations. - Use scenario 3: In model making or RC applications, it provides reliable throttle control for lightweight DC motors, with simple operation and clear speed indication.