1. Input Power Voltage: 12~37V 2. Supports A Maximum Output Current Of 5A (The Maximum Value Can Be Controlled By The Resistance Of The Sampling Resistor) 3. Adjust The Motor Speed By Rotating The Potentiometer 4. Built-In Thermistor + Protection Circuit, With Overload And Over-Temperature Stall Protection Function To Safe Operation Of The Motor 5.Support Spwm Driving Mode Product Name: Brushless Dc Hall Motor Driver Board Instructions For Use 1. Power The Driver Board (DC 12-37V); 2. Connect The Potentiometer (5V-VR-GND Pin), And Turn The Potentiometer Knob Counterclockwise To The Lowest Gear To Prevent The Motor From Automatically Turning On When Powered On; 3. Connect The Brushless Motor Output Wire (The Three Wires Of The Three-Phase Brushless Motor Can Be Connected In Any Order, And Changing The Sequence Of Any Two Wires Can Change The Rotation Direction Of The Motor); 4. Slowly Rotate The Potentiometer Knob Clockwise, And The Motor Start To Rotate. Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Material:PCB Package Contents: 1 x JY02 DC Brushless Hall Motor Driver Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.