Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, an HC-SR04 Ultrasonic Sensor, two IR sensors, a 12V battery, an L298N DC motor driver, and two DC motors. The circuit is designed to interface various sensors and actuators with the Arduino UNO, which controls the operation of the motors based on sensor inputs.

Component List

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

HC-SR04 Ultrasonic Sensor

• Description: A sensor used to measure distance using ultrasonic waves.
• Pins: VCC, TRIG, ECHO, GND

12V Battery

• Description: A power source providing 12V DC.
• Pins: -, +

IR Sensor (1)

• Description: An infrared sensor used for object detection.
• Pins: out, gnd, vcc

IR Sensor (2)

• Description: An infrared sensor used for object detection.
• Pins: out, gnd, vcc

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 (1)

• Description: A DC motor used for various mechanical movements.
• Pins: pin 1, pin 2

DC Motor (2)

• Description: A DC motor used for various mechanical movements.
• Pins: pin 1, pin 2

Wiring Details

Arduino UNO

• 5V connected to:

  • IR Sensor (1) vcc
  • IR Sensor (2) vcc
  • HC-SR04 Ultrasonic Sensor VCC

• GND connected to:

  • IR Sensor (1) gnd
  • IR Sensor (2) gnd
  • HC-SR04 Ultrasonic Sensor GND
  • 12V Battery -
  • L298N DC Motor Driver GND

• UNUSED connected to:

  • L298N DC Motor Driver 5V

• A0 connected to:

  • IR Sensor (1) out

• A1 connected to:

  • IR Sensor (2) out

• D10 connected to:

  • L298N DC Motor Driver ENB

• D9 connected to:

  • L298N DC Motor Driver IN4

• D8 connected to:

  • L298N DC Motor Driver IN3

• D7 connected to:

  • L298N DC Motor Driver IN2

• D6 connected to:

  • L298N DC Motor Driver IN1

• D5 connected to:

  • L298N DC Motor Driver ENA

• D4 connected to:

  • HC-SR04 Ultrasonic Sensor TRIG

• D3 connected to:

  • HC-SR04 Ultrasonic Sensor ECHO

HC-SR04 Ultrasonic Sensor

• VCC connected to:

  • Arduino UNO 5V

• GND connected to:

  • Arduino UNO GND

• TRIG connected to:

  • Arduino UNO D4

• ECHO connected to:

  • Arduino UNO D3

12V Battery

• - connected to:

  • Arduino UNO GND
  • L298N DC Motor Driver GND

• + connected to:

  • L298N DC Motor Driver 12V

IR Sensor (1)

• vcc connected to:

  • Arduino UNO 5V

• gnd connected to:

  • Arduino UNO GND

• out connected to:

  • Arduino UNO A0

IR Sensor (2)

• vcc connected to:

  • Arduino UNO 5V

• gnd connected to:

  • Arduino UNO GND

• out connected to:

  • Arduino UNO A1

L298N DC Motor Driver

• 5V connected to:

  • Arduino UNO UNUSED

• GND connected to:

  • Arduino UNO GND
  • 12V Battery -

• 12V connected to:

  • 12V Battery +

• ENA connected to:

  • Arduino UNO D5

• IN1 connected to:

  • Arduino UNO D6

• IN2 connected to:

  • Arduino UNO D7

• IN3 connected to:

  • Arduino UNO D8

• IN4 connected to:

  • Arduino UNO D9

• ENB connected to:

  • Arduino UNO D10

• OUT1 connected to:

  • DC Motor (2) pin 2

• OUT2 connected to:

  • DC Motor (2) pin 1

• OUT3 connected to:

  • DC Motor (1) pin 2

• OUT4 connected to:

  • DC Motor (1) pin 1

DC Motor (1)

• pin 1 connected to:

  • L298N DC Motor Driver OUT4

• pin 2 connected to:

  • L298N DC Motor Driver OUT3

DC Motor (2)

• pin 1 connected to:

  • L298N DC Motor Driver OUT2

• pin 2 connected to:

  • L298N DC Motor Driver OUT1

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 connections, and the code running on the Arduino UNO.