Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, an IR sensor, a 5V relay, a buzzer, a motor with wheels, and a 9V battery. The circuit is designed to control a motor and buzzer based on the input from the IR sensor, with the relay acting as a switch for the motor.

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. IR Sensor

   • Description: An infrared sensor used to detect objects.
   • Pins: out, gnd, vcc

3. 5V Relay

   • Description: A relay module that operates at 5V.
   • Pins: Normally Open, Common terminal, Normally Closed, In, GND, VCC

4. Buzzer

   • Description: An electronic device that emits sound.
   • Pins: PIN, GND

5. Motor and Wheels

   • Description: A motor with attached wheels.
   • Pins: vcc, GND

6. 9V Battery

   • Description: A 9V battery used to power the motor.
   • Pins: -, +

Wiring Details

Arduino UNO

• 5V is connected to:

  • VCC of the 5V relay
  • vcc of the IR sensor

• GND is connected to:

  • GND of the 5V relay
  • gnd of the IR sensor
  • GND of the buzzer

• D9 is connected to:

  • PIN of the buzzer

• D8 is connected to:

  • In of the 5V relay

• D2 is connected to:

  • out of the IR sensor

IR Sensor

• vcc is connected to:

  • 5V of the Arduino UNO

• gnd is connected to:

  • GND of the Arduino UNO

• out is connected to:

  • D2 of the Arduino UNO

5V Relay

• VCC is connected to:

  • 5V of the Arduino UNO

• GND is connected to:

  • GND of the Arduino UNO

• In is connected to:

  • D8 of the Arduino UNO

• Normally Open is connected to:

  • vcc of the motor and wheels

• Common terminal is connected to:

  • + of the 9V battery

Buzzer

• PIN is connected to:

  • D9 of the Arduino UNO

• GND is connected to:

  • GND of the Arduino UNO

Motor and Wheels

• vcc is connected to:

  • Normally Open of the 5V relay

• GND is connected to:

  • - of the 9V battery

9V Battery

• + is connected to:

  • Common terminal of the 5V relay

• - is connected to:

  • GND of the motor and wheels

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 for the Arduino UNO microcontroller.