Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, an MPU-6050 accelerometer and gyroscope, an HC-05 Bluetooth module, an L298N DC motor driver, two DC motors, and a 6V battery pack. The circuit is designed to control the DC motors based on sensor inputs and communicate wirelessly via Bluetooth.

Component List

1. Arduino UNO

   • Description: A microcontroller board based on the ATmega328P.
   • Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

2. MPU-6050

   • Description: A 6-axis motion tracking device that combines a 3-axis gyroscope and a 3-axis accelerometer.
   • Pins: VCC, GND, SCL, SDA, XDA, XCL, AD0, INT

3. HC-05

   • Description: A Bluetooth module used for wireless communication.
   • Pins: EN, VCC, GND, TXD, RXD, STATE

4. 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

5. DC Motor (x2)

   • Description: Standard DC motors used for various applications.
   • Pins: pin 1, pin 2

6. Battery AAx4 6V

   • Description: A battery pack consisting of four AA batteries providing 6V.
   • Pins: VCC, GND

Wiring Details

Arduino UNO

• 3.3V to MPU-6050 VCC
• 5V to HC-05 VCC
• GND to HC-05 GND
• GND to MPU-6050 GND
• A4 to MPU-6050 SDA
• A5 to MPU-6050 SCL
• GND to L298N DC motor driver GND and Battery AAx4 6V GND
• D11 to L298N DC motor driver IN1
• D10 to L298N DC motor driver IN2
• D9 to L298N DC motor driver IN3
• D6 to HC-05 TXD
• D5 to HC-05 RXD
• D3 to L298N DC motor driver IN4
• D2 to MPU-6050 INT

MPU-6050

• VCC to Arduino UNO 3.3V
• GND to Arduino UNO GND
• SDA to Arduino UNO A4
• SCL to Arduino UNO A5
• INT to Arduino UNO D2

HC-05

• VCC to Arduino UNO 5V
• GND to Arduino UNO GND
• TXD to Arduino UNO D6
• RXD to Arduino UNO D5

L298N DC Motor Driver

• GND to Arduino UNO GND and Battery AAx4 6V GND
• IN1 to Arduino UNO D11
• IN2 to Arduino UNO D10
• IN3 to Arduino UNO D9
• IN4 to Arduino UNO D3
• OUT1 to DC Motor pin 2
• OUT2 to DC Motor pin 1
• OUT3 to DC Motor pin 2
• OUT4 to DC Motor pin 1
• 12V to Battery AAx4 6V VCC

DC Motor 1

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

DC Motor 2

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

Battery AAx4 6V

• VCC to L298N DC motor driver 12V
• GND to Arduino UNO GND and L298N DC motor driver GND

Documented Code

Arduino UNO 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)

This document provides a comprehensive overview of the circuit, including the components used, their wiring details, and the code running on the Arduino UNO microcontroller.