L298N Motor Driver
Classic dual H-bridge driver for small DC motor and robot car projects.
AI Ready Overview
Quick Summary
L298N is a motor driver commonly used in FYP and embedded projects. It is best for beginner robot car and simple dc motor direction control, with wiring and testing planned around Arduino, ESP32, STM32.
Difficulty
Beginner
Time Required
1-3 days for basic wiring and sample code; 1 week if used inside a complete FYP prototype
Cost
RM6-RM18 module range in Malaysia; full project cost depends on scope.
Components
L298N, Arduino, ESP32, STM32
Overview
What is L298N?
L298N is a common motor driver module for controlling two DC motors or one stepper motor. It is widely used in beginner robot cars, but it is inefficient compared with modern drivers.
Engineering Reference
Quick Specs
| Channels | 2 DC motor channels |
|---|---|
| Control | Direction pins plus enable/PWM |
| Known Issue | Voltage drop and heat under load |
Real Usage Notes
Suitable / Not Suitable
Suitable for
- ✓ Beginner robot car
- ✓ Simple DC motor direction control
- ✓ Stepper learning demos
Not suitable for
- ✕ High-efficiency battery robots
- ✕ High-current motors
- ✕ Quiet precision motion
Build Planning
Difficulty
L298N is rated Beginner. Plan around 1-3 days for basic wiring and sample code; 1 week if used inside a complete fyp prototypedepending on wiring, libraries, calibration, dashboard/app integration and testing evidence.
Build Planning
Time Required
1-3 days for basic wiring and sample code; 1 week if used inside a complete FYP prototype
Malaysia Price Guidance
Cost
Typical module price range: RM6-RM18. This is component guidance only; a complete FYP cost depends on controller, sensors, casing, display, app/dashboard, documentation and timeline.
Connections
Pinout
IN1-IN4
Motor direction inputs.
ENA/ENB
Enable or PWM speed control pins.
OUT1-OUT4
Motor outputs.
12V
Motor supply input label on many boards.
GND
Common ground.
Platform Notes
Wiring Guides
L298N with Arduino
Connect motor power separately and share ground with Arduino.
| IN1-IN4 | Arduino digital pins |
|---|---|
| ENA/ENB | PWM-capable pins |
| GND | Arduino GND and motor supply GND |
Fix Common Problems
Troubleshooting
Troubleshooting
Common Mistakes
FYP Ideas Using L298N
Related Projects
Compare Options
Alternative Components
Student Questions
FAQ
Why is my robot weak with L298N?
L298N has a significant voltage drop and can heat up. Battery and motor current also matter.