What is the L298N Motor Driver Module?
The ShillehTek L298N Motor Driver Controller Board is a powerful dual H-Bridge module designed to control DC and stepper motors with ease. Ideal for smart car projects, robotics, and general motor control, it is fully compatible with Raspberry Pi, Arduino UNO, MEGA, Mega2560, and other microcontroller boards. With support for bidirectional motor control, PWM speed regulation, and onboard power management, it’s the go-to solution for powering and managing motor-driven electronics.
Operating Mechanisms of the L298N
The L298N uses two full H-Bridge circuits to control the direction and speed of two DC motors or one stepper motor. Its features include:
- Dual H-Bridge Control: Enables independent control of two motors with direction and speed control for each.
- PWM Speed Regulation: Allows precise motor speed control using Pulse Width Modulation (PWM) signals from your microcontroller.
- Onboard 5V Regulator: Provides power to your control logic if you're using higher voltage for motors (optional jumper selectable).
- Bidirectional Control: Each motor can be driven forward or backward based on control input combinations.
The L298N is widely used in DIY robot kits, car platforms, CNC projects, and more due to its versatility and high current handling capability.
Pins
L298N Pinout
IN1 & IN2
Control Motor A. Use digital HIGH/LOW signals to set direction.
IN3 & IN4
Control Motor B. Same functionality as IN1/IN2 but for the second motor.
EN A & EN B
Enable pins for Motor A and Motor B. Connect to PWM pins on your microcontroller for speed control.
5V
Outputs 5V if jumper is enabled and VIN > 7V. Can also be used to power your logic circuit.
GND
Ground connection. Must be connected to the ground of both the power supply and microcontroller.
VIN
External power input for the motors (e.g., 7V–12V DC). Powers the motor side of the board.
OUT1 & OUT2
Connected to Motor A. Outputs motor-driving signals based on IN1 and IN2 inputs.
OUT3 & OUT4
Connected to Motor B. Outputs motor-driving signals based on IN3 and IN4 inputs.
Technical Specifications
| Specification | Details |
|---|---|
| Motor Supply Voltage | 7V – 12V DC |
| Logic Voltage | 5V |
| Max Output Current | 2A per channel (peak) |
| Control Interface | Digital (PWM compatible) |
| Number of Channels | 2 (Dual H-Bridge) |
| Dimensions | 43mm x 43mm x 27mm (approx.) |
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