KIT67 PWM DC Motor Speed Controller Kit for 5-15V Control up to 100V 7A

The KIT67 DC Motor Speed Controller Kit is a powerful DIY motor control solution designed to provide smooth, efficient speed regulation for a wide range of brushed DC motors. Ideal for students, hobbyists, technicians, and engineers, this kit demonstrates the principles of Pulse Width Modulation (PWM) while delivering reliable motor performance for educational, experimental, and practical applications.

Unlike simple resistor-based speed controllers that waste energy and reduce motor torque, the KIT67 uses PWM technology to regulate motor speed. By rapidly switching the motor supply on and off, the controller adjusts the average power delivered to the motor while maintaining excellent torque throughout the speed range. This results in higher efficiency, cooler operation, and improved motor performance, especially at lower speeds.

The PWM signal is generated by a dependable NE556 dual timer IC, which controls a high-current IRF530 MOSFET responsible for switching the motor load. This robust design allows the controller to regulate common brushed DC motors rated up to 100 V and 7 A, making it suitable for a wide variety of medium-power motor control applications.

The controller itself operates from a 5 V to 15 V DC supply, while the switching circuitry can control motors with supply voltages of up to 100 V DC, provided the motor current remains within the specified limits. An adjustable control allows users to vary the motor speed smoothly from low speed to full output, giving precise control over motor operation.

The completed unit is designed for convenient box mounting, making it suitable for installation into equipment, control panels, laboratory projects, robotics, model engineering applications, and workshop tools.

As a DIY electronics kit, the KIT67 provides valuable hands-on experience in soldering, PCB assembly, PWM motor control, MOSFET switching, and power electronics, making it an excellent educational project as well as a practical motor controller.

Features

Pulse Width Modulation (PWM) DC motor speed controller

Smooth adjustable motor speed control

Maintains high motor torque across the speed range

Controls brushed DC motors up to 100 V and 7 A

PWM generation using NE556 dual timer IC

High-current IRF530 MOSFET output stage

More efficient than resistor-based speed control

Compact design suitable for enclosure mounting

Excellent educational project for power electronics

DIY kit develops soldering and motor control skills

Ideal for hobby, laboratory, and industrial projects

Specifications

Product Code: KIT67

Device Type: DC Motor Speed Controller Kit

Function Group: Motor Control / Speed

Control Method: Pulse Width Modulation (PWM)

PWM Controller IC: NE556

Power Switching Device: IRF530 MOSFET

Controller Operating Voltage: 5-15 VDC

Maximum Motor Voltage: 100 VDC

Maximum Motor Current: 7 A

Speed Adjustment: Continuously variable

Motor Type: Brushed DC motors

Mounting: Box mounted

Construction: DIY electronic kit

PCB Type: Through-hole component assembly

Typical Applications: Robotics, model engineering, conveyor systems, workshop equipment, laboratory experiments, industrial control, educational electronics, automation projects, and general-purpose DC motor speed control.

What's in the box
1 x KIT67 PWM DC Motor Speed Controller Kit for 5-15V Control up to 100V 7A