Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a 9V battery, an L298N DC motor driver, two LDRs (Light Dependent Resistors), a 12V geared motor, and a rocker switch. The circuit is designed to control the motor based on the light intensity detected by the LDRs.

Component List

1. 9V Battery

   • Description: Provides the primary power source for the circuit.
   • Pins: -, +

2. L298N DC Motor Driver

   • Description: Controls the direction and speed of the DC motor.
   • 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

3. LDR (Light Dependent Resistor)

   • Description: Senses light intensity and provides an analog or digital output.
   • Pins: A0, D0, GND, VCC

4. 12V Geared Motor

   • Description: Provides mechanical motion.
   • Pins: Terminal 1, Terminal 2

5. Rocker Switch

   • Description: Acts as an on/off switch for the circuit.
   • Pins: 1, 2

Wiring Details

9V Battery

• Pin - is connected to:

  • GND of L298N DC motor driver
  • GND of LDR (Instance 1)
  • GND of LDR (Instance 2)

• Pin + is connected to:

  • Pin 1 of Rocker Switch

L298N DC Motor Driver

• Pin GND is connected to:

  • GND of 9V Battery
  • GND of LDR (Instance 1)
  • GND of LDR (Instance 2)

• Pin 12V is connected to:

  • Pin 2 of Rocker Switch

• Pin 5V is connected to:

  • VCC of LDR (Instance 1)
  • VCC of LDR (Instance 2)

• Pin OUT1 is connected to:

  • Terminal 2 of 12V Geared Motor

• Pin OUT2 is connected to:

  • Terminal 1 of 12V Geared Motor

• Pin IN1 is connected to:

  • D0 of LDR (Instance 2)

• Pin IN2 is connected to:

  • D0 of LDR (Instance 1)

LDR (Instance 1)

• Pin GND is connected to:

  • GND of 9V Battery
  • GND of L298N DC motor driver
  • GND of LDR (Instance 2)

• Pin VCC is connected to:

  • 5V of L298N DC motor driver

• Pin D0 is connected to:

  • IN2 of L298N DC motor driver

LDR (Instance 2)

• Pin GND is connected to:

  • GND of 9V Battery
  • GND of L298N DC motor driver
  • GND of LDR (Instance 1)

• Pin VCC is connected to:

  • 5V of L298N DC motor driver

• Pin D0 is connected to:

  • IN1 of L298N DC motor driver

12V Geared Motor

• Terminal 1 is connected to:

  • OUT2 of L298N DC motor driver

• Terminal 2 is connected to:

  • OUT1 of L298N DC motor driver

Rocker Switch

• Pin 1 is connected to:

  • • of 9V Battery

• Pin 2 is connected to:

  • 12V of L298N DC motor driver

Code

There is no microcontroller code provided for this circuit.