Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, an Ultrasonic Sensor, an L298N DC motor driver, a 12V 7Ah Battery, and a DC Motor. The circuit is designed to control a DC motor based on input from the Ultrasonic Sensor, with the Arduino UNO serving as the central control unit.

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

Ultrasonic Sensor

• Description: A sensor used to measure distance by using ultrasonic waves.
• Pins: +VCC, Trigger, Echo, GND

L298N DC Motor Driver

• Description: A dual H-bridge motor driver that allows control of the speed and direction 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

12V 7Ah Battery

• Description: A rechargeable battery providing 12V power.
• Pins: 12v +, 12v -

DC Motor

• Description: A motor that runs on direct current (DC) electricity.
• Pins: pin 1, pin 2

Wiring Details

Arduino UNO

• 5V connected to +VCC of the Ultrasonic Sensor
• GND connected to GND of the Ultrasonic Sensor
• D10 connected to Trigger of the Ultrasonic Sensor
• D9 connected to Echo of the Ultrasonic Sensor
• D5 connected to ENA of the L298N DC Motor Driver
• D3 connected to IN1 of the L298N DC Motor Driver
• D2 connected to IN2 of the L298N DC Motor Driver

Ultrasonic Sensor

• +VCC connected to 5V of the Arduino UNO
• GND connected to GND of the Arduino UNO
• Trigger connected to D10 of the Arduino UNO
• Echo connected to D9 of the Arduino UNO

L298N DC Motor Driver

• ENA connected to D5 of the Arduino UNO
• IN1 connected to D3 of the Arduino UNO
• IN2 connected to D2 of the Arduino UNO
• OUT1 connected to pin 2 of the DC Motor
• OUT2 connected to pin 1 of the DC Motor
• 12V connected to 12v + of the 12V 7Ah Battery
• GND connected to 12v - of the 12V 7Ah Battery

12V 7Ah Battery

• 12v + connected to 12V of the L298N DC Motor Driver
• 12v - connected to GND of the L298N DC Motor Driver

DC Motor

• pin 2 connected to OUT1 of the L298N DC Motor Driver
• pin 1 connected to OUT2 of the L298N DC Motor Driver

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 a summary, component list, wiring details, and documented code.