متحكم سرعة موتور دي سي PWM جهد 3 إلى 15 فولت تيار 2 أمبير

PWM DC Motor Speed Controller (3V–15V / 2A)

The Mini PWM DC Motor Speed Controller is a compact and efficient module designed for precise speed regulation of DC motors and LED dimming. Utilizing Pulse Width Modulation (PWM), this controller adjusts the power delivered to the load by toggling the voltage on and off at a high frequency (10kHz). This method allows for smooth control from 1% to 100% duty cycle while maintaining high torque even at low speeds—a distinct advantage over simple voltage-drop regulators.

Key Features

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  Pulse Width Modulation (PWM): Provides high-efficiency control with minimal heat generation, preserving the motor's torque characteristics at lower speeds.

  
  


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  Integrated Safety Fuse: Equipped with a self-recovery fuse that automatically disconnects the circuit during overcurrent and restores it once the fault is cleared.

  
  


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  Dual Functionality: Not only works for DC motors but also serves as an excellent LED Dimmer for high-power DC light strips or lamps.

  
  


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  Ultra-Compact Design: The miniature footprint (30mm x 24mm) makes it ideal for portable devices, DIY robotics, and space-constrained enclosures.

  
  


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  Smooth Tactile Control: Features a high-quality potentiometer with a built-in "click" switch for a full power-off state.

  
  

Technical Specifications

Connection & Operation Guide

1. 
   

   Preparation: Turn the potentiometer knob fully counterclockwise until you hear a "click" (Off position).

   
   


2. 
   

   Output Connection: Connect your DC motor or LED lamp to the MOTOR+ and MOTOR- terminals.

   
   


3. 
   

   Input Connection: Connect your DC power source (3V to 15V) to the DC IN+ and DC IN- terminals.

   
   


4. 
   

   Control: Slowly turn the knob clockwise to power the device and increase the speed or brightness.

   
   


5. 
   

   Direction Change: To change the motor's rotation direction, simply swap the two wires connected to the MOTOR terminals.

   
   

Important Usage Notes

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  DC Only: This module is strictly for DC power supplies (batteries, regulated adapters). Never connect to AC 110V/220V mains, as it will cause immediate failure.

  
  


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  Polarity Sensitive: Ensure the input power polarity is correct. Reversing the input wires may damage the internal circuitry.

  
  


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  Voltage Limit: While the standard ZS-X4A frame can handle higher ranges, this specific version is optimized for 3V to 15V operation.

  
  

Applications

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  Small Robotics: Speed control for mobile robot drive motors.

  
  


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  Cooling Systems: Adjusting the airflow of DC computer fans.

  
  


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  Hobbyist Electronics: DIY drill speed control or motorized camera sliders.

  
  


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  Lighting: Brightness adjustment for DC LED strips and lamps.