Circuit Documentation

Summary

This circuit consists of an Arduino Mega 2560 microcontroller, an L298N DC motor driver, two DC motors, and a battery. The Arduino Mega 2560 controls the L298N motor driver, which in turn drives the two DC motors. The battery provides power to the motor driver and the Arduino.

Component List

Arduino Mega 2560

• Description: A microcontroller board based on the ATmega2560.
• Pins: IOREF, RESET, 3V3, 5V, GND, VIN, A0-A15, D0-D53, AREF, SDA, SCL

L298N DC Motor Driver

• Description: A dual H-Bridge motor driver that allows control of two DC motors.
• Pins: OUT1, OUT2, 12V, GND, 5V, OUT3, OUT4, 5V-ENA-JMP-I, 5V-ENA-JMP-O, +5V-J1, +5V-J2, ENA, IN1, IN2, IN3, IN4, ENB

DC Motor (Motor 1)

• Description: A standard DC motor.
• Pins: pin 1, pin 2

DC Motor (Motor 2)

• Description: A standard DC motor.
• Pins: pin 1, pin 2

Battery

• Description: A power source for the circuit.
• Pins: -, +

Wiring Details

Arduino Mega 2560

• D3 PWM connected to ENA of L298N DC motor driver
• D4 PWM connected to IN1 of L298N DC motor driver
• D5 PWM connected to IN2 of L298N DC motor driver
• D6 PWM connected to ENB of L298N DC motor driver
• D7 PWM connected to IN4 of L298N DC motor driver
• D8 PWM connected to IN3 of L298N DC motor driver
• GND connected to GND of L298N DC motor driver and - of battery

L298N DC Motor Driver

• ENA connected to D3 PWM of Arduino Mega 2560
• IN1 connected to D4 PWM of Arduino Mega 2560
• IN2 connected to D5 PWM of Arduino Mega 2560
• ENB connected to D6 PWM of Arduino Mega 2560
• IN4 connected to D7 PWM of Arduino Mega 2560
• IN3 connected to D8 PWM of Arduino Mega 2560
• GND connected to GND of Arduino Mega 2560 and - of battery
• OUT1 connected to pin 2 of DC Motor 2
• OUT2 connected to pin 1 of DC Motor 2
• OUT3 connected to pin 2 of DC Motor 1
• OUT4 connected to pin 1 of DC Motor 1
• 12V connected to + of battery

DC Motor (Motor 1)

• pin 1 connected to OUT4 of L298N DC motor driver
• pin 2 connected to OUT3 of L298N DC motor driver

DC Motor (Motor 2)

• pin 1 connected to OUT2 of L298N DC motor driver
• pin 2 connected to OUT1 of L298N DC motor driver

Battery

• - connected to GND of L298N DC motor driver and GND of Arduino Mega 2560
• + connected to 12V of L298N DC motor driver

Documented Code

Arduino Mega 2560 Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation (documentation.txt)