Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino Mega 2560 microcontroller, multiple IR sensors, a 16x2 I2C LCD, a Square FSR, a resistor, a piezo buzzer, a stepper motor, and a motor driver. The circuit is designed to interface various sensors and actuators with the Arduino Mega 2560, allowing for a range of functionalities.

Component List

Arduino Mega 2560

• Description: A microcontroller board based on the ATmega2560.
• Pins: IOREF, RESET, 3V3, 5V, GND, VIN, A0-A15, D0-D53, AREF, SDA, SCL

IR Sensor

• Description: Infrared sensor for detecting objects.
• Pins: out, gnd, vcc

16x2 I2C LCD

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

Square FSR

• Description: Force-sensitive resistor.
• Pins: A0, A1

Resistor

• Description: 200 Ohms resistor.
• Pins: pin1, pin2
• Properties: Resistance: 200 Ohms

Piezo Buzzer

• Description: A piezoelectric buzzer for sound output.
• Pins: pin 1, pin 2

28BYJ-48 Stepper Motor

• Description: A 5V stepper motor.
• Pins: BLUE, PINK, YELLOW, ORANGE, RED

Adafruit TB6612 DC and Stepper Motor Driver

• Description: Motor driver for controlling DC and stepper motors.
• Pins: PWRIN, VCC, GND, PWMB, BIN2, BIN1, STBY, AIN1, AIN2, PWMA, MOTORA1, MOTORA2, MOTORB2, MOTORB1, Vmotor

Wiring Details

Arduino Mega 2560

• 5V: Connected to VCC of IR sensors, Adafruit TB6612 motor driver, Square FSR, and 16x2 I2C LCD.
• GND: Connected to GND of IR sensors, Adafruit TB6612 motor driver, Resistor, Piezo Buzzer, and 16x2 I2C LCD.
• A1: Connected to out of IR sensor.
• A2: Connected to out of IR sensor.
• A4: Connected to SDA of 16x2 I2C LCD.
• A5: Connected to SCL of 16x2 I2C LCD.
• A8: Connected to PWMB of Adafruit TB6612 motor driver.
• A9: Connected to BIN2 of Adafruit TB6612 motor driver.
• A10: Connected to BIN1 of Adafruit TB6612 motor driver.
• A11: Connected to STBY of Adafruit TB6612 motor driver.
• D10 PWM: Connected to out of IR sensor.
• D11 PWM: Connected to pin 1 of Piezo Buzzer.

IR Sensor

• vcc: Connected to 5V of Arduino Mega 2560.
• gnd: Connected to GND of Arduino Mega 2560.
• out: Connected to A1, A2, and D10 PWM of Arduino Mega 2560.

16x2 I2C LCD

• VCC: Connected to 5V of Arduino Mega 2560.
• GND: Connected to GND of Arduino Mega 2560.
• SDA: Connected to A4 of Arduino Mega 2560.
• SCL: Connected to A5 of Arduino Mega 2560.

Square FSR

• A0: Connected to pin2 of Resistor.
• A1: Connected to 5V of Arduino Mega 2560.

Resistor

• pin1: Connected to GND of Arduino Mega 2560.
• pin2: Connected to A0 of Square FSR.

Piezo Buzzer

• pin 1: Connected to D11 PWM of Arduino Mega 2560.
• pin 2: Connected to GND of Arduino Mega 2560.

28BYJ-48 Stepper Motor

• BLUE: Connected to MOTORA2 of Adafruit TB6612 motor driver.
• PINK: Connected to GND of Adafruit TB6612 motor driver.
• YELLOW: Connected to GND of Adafruit TB6612 motor driver.
• ORANGE: Connected to MOTORB1 of Adafruit TB6612 motor driver.
• RED: Connected to MOTORB2 of Adafruit TB6612 motor driver.

Adafruit TB6612 DC and Stepper Motor Driver

• VCC: Connected to 5V of Arduino Mega 2560.
• GND: Connected to GND of Arduino Mega 2560.
• PWMB: Connected to A8 of Arduino Mega 2560.
• BIN2: Connected to A9 of Arduino Mega 2560.
• BIN1: Connected to A10 of Arduino Mega 2560.
• STBY: Connected to A11 of Arduino Mega 2560.
• MOTORA2: Connected to BLUE of 28BYJ-48 Stepper Motor.
• MOTORB1: Connected to ORANGE of 28BYJ-48 Stepper Motor.
• MOTORB2: Connected to RED of 28BYJ-48 Stepper Motor.

Documented Code

Arduino Mega 2560 Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation

This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and documented code.