Description: Simple Control: The MKS OSC PWM Pulse Signal Generator Module offers easy speed regulation and direction control for stepper motors, making it a versatile choice for various applications Pulse Signal Generator: This module provides precise control signals for stepper drivers, with three frequency options for customized motor speed. for DIY projects and industrial automation Flexible Frequency Selection: With high, medium, and low frequency options, this PWM signal generator module allows users to fine-tune motor speed and direction according to specific requirements Efficient Stepper Motor Control: The Stepper Motor Driver features a user-friendly for straightforward motor speed regulation and direction control. for hobbyists and professionals alike Reliable Performance: Built with components, this Simple Speed Regulation Forward and Reverse Controller Module ensures stable and consistent of stepper motors in various settings Specification: Color: black. Material: PCB. Size: Approx 7*5*2.5CM/2.76*1.97*0.98inch. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 1* pwm module