The ZKMGP PWM DC Motor Speed Controller is a versatile module designed for precise motor speed control and LED dimming in a compact PCB form. It provides adjustable PWM frequency, robust motor drive capability, and a flexible voltage range to suit a variety of small to midsize DC motor applications. Key benefits Precise speed control with adjustable PWM frequency to suit different motors and loads Wide input voltage range (DC 5 V to 30 V) for broad compatibility with common motors and power sources current capability with a dual MOSFET driver up to 12 A, enabling efficient and reliable motor drive LED dimming support through PWM, enabling brightness control for indicators or integrated LEDs Compact module design that is easy to integrate into projects and enclosures Professional, predictable performance suitable for hobbyist and light industrial use Key attributes Functionality: PWM based motor speed control with adjustable frequency and LED dimming Compatibility: DC motors powered from 5 V to 30 V, up to 12 A Size and form: compact PCB module designed for easy integration into projects Construction: standard PCB module suitable for embedded or DIY applications Performance: wide frequency range (1 kHz to 99 kHz) for tailored motor response and reduced audible noise Specifications at a glance Voltage range: DC 5–30 V Current rating: up to 12 A PWM frequency: adjustable from 1 kHz to 99 kHz Driver type: dual MOSFET driver Functions: PWM motor speed control with LED dimming What makes it unique The combination of a wide, adjustable PWM frequency range and a dual MOSFET driver provides flexible, efficient speed control for a variety of DC motors. The integrated LED dimming capability adds versatility for projects that require PWMbased brightness control in addition to motor speed management. The compact module form factor supports easy integration into custom devices, prototypes, or small appliances without the need for bulky control hardware. Compatibility and usage notes Designed for DC motors within the specified voltage and current limits. Exceeding 12 A continuous current requires appropriate cooling or heat management. Suitable for projects where adjustable speed control and LED dimming are beneficial, such as robotic actuators, small CNC axes, conveyor mechanisms, or indicator LED control. Ensure power supply and wiring are appropriate for the motor load and that wiring practices minimize voltage drop and heat in the controller. Application examples Hobby robotics: drive a small DC motor with adjustable speed for wheeled or tracked robots, using the PWM frequency setting to balance torque, noise, and responsiveness. DIY CNC or automation: control axis motors or spindlelike devices with precise speed control, selecting a higher PWM frequency to reduce motor audible noise. LED and indicator control: dim LEDs or LED indicators in a project via PWM to match user interface requirements or power budgeting. This product description reflects the ZKMGP model, its PWM speed control capabilities, adjustable frequency range, LED dimming functionality, DC input range, and dual MOSFET driver. It presents clear benefits, key attributes, and practical use cases while maintaining a professional and credible tone.