PWM Signal Generator DC Motor Speed Controller with Digital Display

PWM Signal Generator - DC Motor Speed Controller with Digital Display

Take precise control of DC motors, fans, pumps, and LED brightness with this PWM signal generator module. Featuring a built-in red digital display and smooth rotary potentiometer, it lets you dial in the exact speed or duty cycle you need - no microcontroller required.

Key Features

• 3-digit red LED display - shows PWM duty cycle percentage in real time
• Smooth rotary potentiometer knob - fine and precise speed adjustment
• Wide input voltage range - works with 12V to 24V DC power supplies
• Screw terminal output - secure and easy motor wire connection
• Standalone operation - no Arduino or microcontroller needed
• Adjustable frequency PWM output - suitable for motors, fans, LEDs and pumps
• Compact PCB design with mounting holes - easy to install in any enclosure

Specifications

• Input Voltage: 12V - 24V DC
• Output Current: Up to 8A (with heat sink)
• PWM Frequency: Adjustable (~1Hz - 20kHz)
• Duty Cycle Range: 0% - 100%
• Display: 3-digit 7-segment red LED (shows duty cycle %)
• Control: Rotary Potentiometer
• Output Connector: Screw Terminal
• PCB Size: ~68mm x 54mm

Perfect For

• DC Motor Speed Control (fans, pumps, conveyor belts)
• LED Dimmer and Brightness Control
• 12V/24V Industrial Control Systems
• DIY CNC and 3D Printer Fan Control
• Arduino / ESP32 PWM Signal Testing
• Robotics and Automation Projects

Order now and gain full control over your DC motor speed with precision and ease.