1. This Wiring Diagram Is The First And Necessary Step To Assemble The Servo Controller. No Matter Which Input Control Method Is Used, Basic Wiring Must Be Done According To This Step. 2. Do Not Connect The Positive And Negative Poles Of The Power Supply Reversely. Reverse Connection Burn The Controller. 3. The Sliding End Of The Angle Feedback Potentiometer Must Be Connected To The In End Of The Corresponding Channel. Wrong Connection May Cause Damage To The Controller And Potentiometer. 4. Motion Position Output: Used For External Equipment To Roughly Detect The Actual Running Angle Of The Servo. The Output Voltage Range Is 0v (Minimum Angle) ~ 5V (Maximum Angle). 5ASMF-04 Single Channel High Torque 500nm Controller Steering Gear DIY 12V To 24V Current Limit 10a Module Type: Controller Steering Gear Module Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Material:PCB+Plastic Package Contents: 2 x Single Channel Module 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.