Item Type: Adjustable Stepper Motor ControllerMaterial: PCBMeasurement Frequency: PUL and Common Cathode .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Signal Generator Module: This module is a pulse generation module that provides control signals to a stepper driver. 2Control Motor: In order to control a stepper motor, the user must have a driver. This module can perform suggested speed regulation, control forward and reverse rotation, etc. 33 Types of Signals: The controller has high 5.4k160khz, middle 54016.6khz and low 802.4khz total 3 types of low frequency signals available for jumper selection. 4Multifunction: This controller module can generate pulse signal, also can generate PWM signal, or can select jumper, various functions. 5Easy to Use: This simple controller can be used with a stepper motor and DC power supply to form a simple control platform.