Circuit Documentation

Summary

This circuit involves an Arduino Mega 2560 microcontroller, multiple photocells (LDRs), resistors, potentiometers, a motor driver (L298N), and two hobby motors. The circuit is designed to read analog signals from the photocells and potentiometers, control the motors via the motor driver, and is powered by a 9V battery.

Component List

1. 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, 6swdw

2. Motor amarillo motorreductor hobby

   • Description: A small DC motor with a gearbox.
   • Pins: vcc, GND

3. L298N DC motor driver

   • Description: A dual H-Bridge motor driver.
   • 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

4. Photocell (LDR)

   • Description: A light-dependent resistor.
   • Pins: pin 0, pin 1

5. Resistor

   • Description: A 200 Ohm resistor.
   • Pins: pin1, pin2

6. Potentiometer

   • Description: A variable resistor.
   • Pins: GND, Output, VCC

7. My battery case

   • Description: A battery holder for a 9V battery.
   • Pins: +, -

8. 9V Battery

   • Description: A 9V battery.
   • Pins: +, -

Wiring Details

Arduino Mega 2560

• 5V connected to:

  • Resistor pin1
  • Potentiometer VCC

• GND connected to:

  • L298N DC motor driver GND
  • My battery case -
  • Photocell (LDR) pin 1
  • Potentiometer GND

• A0 connected to:

  • Potentiometer Output

• A1 connected to:

  • Potentiometer Output

• A2 connected to:

  • Potentiometer Output

• A3 connected to:

  • Potentiometer Output

• A8 connected to:

  • Resistor pin2
  • Photocell (LDR) pin 0

• A9 connected to:

  • Resistor pin2
  • Photocell (LDR) pin 0

• A10 connected to:

  • Resistor pin2
  • Photocell (LDR) pin 0

• A11 connected to:

  • Resistor pin2
  • Photocell (LDR) pin 0

• A12 connected to:

  • Resistor pin2
  • Photocell (LDR) pin 0

• A13 connected to:

  • Resistor pin2
  • Photocell (LDR) pin 0

• A14 connected to:

  • Resistor pin2
  • Photocell (LDR) pin 0

• D2 PWM connected to:

  • L298N DC motor driver ENA

• D3 PWM connected to:

  • L298N DC motor driver IN1

• D4 PWM connected to:

  • L298N DC motor driver IN2

• D5 PWM connected to:

  • L298N DC motor driver IN3

• D6 PWM connected to:

  • L298N DC motor driver IN4

• D7 PWM connected to:

  • L298N DC motor driver ENB

• 6swdw connected to:

  • 9V Battery +

Motor amarillo motorreductor hobby

• vcc connected to:

  • L298N DC motor driver OUT4
  • L298N DC motor driver OUT2

• GND connected to:

  • L298N DC motor driver OUT3
  • L298N DC motor driver OUT1

L298N DC motor driver

• 12V connected to:
  • My battery case +

Photocell (LDR)

• pin 0 connected to:

  • Resistor pin2
  • Arduino Mega 2560 A8-A14

• pin 1 connected to:

  • Arduino Mega 2560 GND

Resistor

• pin1 connected to:

  • Arduino Mega 2560 5V

• pin2 connected to:

  • Photocell (LDR) pin 0
  • Arduino Mega 2560 A8-A14

Potentiometer

• GND connected to:

  • Arduino Mega 2560 GND

• Output connected to:

  • Arduino Mega 2560 A0-A3

• VCC connected to:

  • Arduino Mega 2560 5V

My battery case

• + connected to:

  • L298N DC motor driver 12V

• - connected to:

  • Arduino Mega 2560 GND

9V Battery

• + connected to:

  • Arduino Mega 2560 6swdw

• - connected to:

  • Arduino Mega 2560 GND

Code Documentation

Arduino Mega 2560 Code

File Name: sketch.ino

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

}

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

}

File Name: documentation.txt

This documentation provides a comprehensive overview of the circuit, including a detailed component list, wiring details, and the code used in the Arduino Mega 2560 microcontroller.