Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino Expansion Board, an L298N DC motor driver, two DC Mini Metal Gear Motors, and a LiPo battery. The circuit is designed to control the motors using the Arduino board and the motor driver.

Component List

1. Arduino Expansion Board

   • Description: A microcontroller board based on the ATmega328P.
   • Pins: 8, 9, 10, 11, 12, 13, GND, AREF, RX, TX, 2, 3, 4, 5, 6, 7, G, V, 1, 0, 5V, SCL, SDA, 3V3, A0, A1, A2, A3, A4, A5, A6, A7, RST, NC, VIN, POWER

2. 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

3. DC Mini Metal Gear Motor (Motor 1)

   • Description: A small DC motor with metal gears for increased torque.
   • Pins: IN1, IN2

4. DC Mini Metal Gear Motor (Motor 2)

   • Description: A small DC motor with metal gears for increased torque.
   • Pins: IN1, IN2

5. LiPo Battery 2200mAH 30C

   • Description: A rechargeable lithium polymer battery.
   • Pins: VCC, GND

Wiring Details

Arduino Expansion Board

• Pin 10 is connected to ENB on the L298N DC motor driver.
• Pin 9 is connected to ENA on the L298N DC motor driver.
• Pin 5 is connected to IN4 on the L298N DC motor driver.
• Pin 4 is connected to IN3 on the L298N DC motor driver.
• Pin 3 is connected to IN2 on the L298N DC motor driver.
• Pin 2 is connected to IN1 on the L298N DC motor driver.
• GND is connected to GND on the L298N DC motor driver and GND on the LiPo battery.
• VIN is connected to 5V on the L298N DC motor driver.

L298N DC Motor Driver

• ENB is connected to Pin 10 on the Arduino Expansion Board.
• ENA is connected to Pin 9 on the Arduino Expansion Board.
• IN4 is connected to Pin 5 on the Arduino Expansion Board.
• IN3 is connected to Pin 4 on the Arduino Expansion Board.
• IN2 is connected to Pin 3 on the Arduino Expansion Board.
• IN1 is connected to Pin 2 on the Arduino Expansion Board.
• GND is connected to GND on the Arduino Expansion Board and GND on the LiPo battery.
• 5V is connected to VIN on the Arduino Expansion Board.
• OUT1 is connected to IN2 on DC Mini Metal Gear Motor 1.
• OUT2 is connected to IN1 on DC Mini Metal Gear Motor 1.
• OUT3 is connected to IN2 on DC Mini Metal Gear Motor 2.
• OUT4 is connected to IN1 on DC Mini Metal Gear Motor 2.
• 12V is connected to VCC on the LiPo battery.

DC Mini Metal Gear Motor (Motor 1)

• IN2 is connected to OUT1 on the L298N DC motor driver.
• IN1 is connected to OUT2 on the L298N DC motor driver.

DC Mini Metal Gear Motor (Motor 2)

• IN2 is connected to OUT3 on the L298N DC motor driver.
• IN1 is connected to OUT4 on the L298N DC motor driver.

LiPo Battery 2200mAH 30C

• VCC is connected to 12V on the L298N DC motor driver.
• GND is connected to GND on the Arduino Expansion Board and GND on the L298N DC motor driver.

Code

No code is provided for this circuit.