Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a 9V Battery, a DC Motor, a 16x2 I2C LCD, an Arduino UNO, and an IR sensor. The circuit is designed to power a DC motor and display information on an LCD screen, with an IR sensor providing input to the Arduino UNO.

Component List

9V Battery

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

DC Motor

• Description: A DC motor that is powered by the 9V battery.
• Pins: pin 1, pin 2

16x2 I2C LCD

• Description: A 16x2 character LCD with I2C interface for displaying information.
• Pins: GND, VCC, SDA, SCL

Arduino UNO

• Description: A microcontroller board based on the ATmega328P, used to control the LCD and read input from the IR sensor.
• 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

IR Sensor

• Description: An infrared sensor used to detect objects and provide input to the Arduino UNO.
• Pins: out, gnd, vcc

Wiring Details

9V Battery

• - connected to DC Motor pin 2
• + connected to DC Motor pin 1

DC Motor

• pin 2 connected to 9V Battery -
• pin 1 connected to 9V Battery +

16x2 I2C LCD

• GND connected to Arduino UNO GND
• VCC connected to Arduino UNO 5V
• SDA connected to Arduino UNO A4
• SCL connected to Arduino UNO A5

Arduino UNO

• GND connected to 16x2 I2C LCD GND and IR Sensor gnd
• 5V connected to 16x2 I2C LCD VCC
• A4 connected to 16x2 I2C LCD SDA
• A5 connected to 16x2 I2C LCD SCL
• 3.3V connected to IR Sensor vcc
• D2 connected to IR Sensor out

IR Sensor

• vcc connected to Arduino UNO 3.3V
• gnd connected to Arduino UNO GND
• out connected to Arduino UNO D2

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.