Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various sensors, a voltage regulator, a motor driver, a solenoid, a DC motor, and an Arduino Mega 2560 microcontroller. The circuit is designed to interface multiple sensors and actuators with the microcontroller for various control and monitoring applications.

Component List

1. Voltage Regulator

   • Pins: GND, IN, OUT
   • Description: Regulates the input voltage to a stable output voltage.

2. IR Sensor

   • Pins: out, gnd, vcc
   • Description: Infrared sensor used for object detection.

3. HC-SR04 Ultrasonic Sensor

   • Pins: VCC, TRIG, ECHO, GND
   • Description: Ultrasonic sensor used for distance measurement.

4. Solenoid

   • Pins: pin1, pin2
   • Description: Electromagnetic actuator.

5. DC Motor

   • Pins: pin 1, pin 2
   • Description: Direct current motor.

6. L298N DC 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
   • Description: Dual H-Bridge motor driver.

7. Tantalum Capacitor

   • Pins: -, +
   • Description: Capacitor with a capacitance of 0.000035 Farads.

8. Ceramic Capacitor

   • Pins: pin0, pin1
   • Description: Capacitor with a capacitance of 0.000047 Farads.

9. Arduino Mega 2560

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

10. Rocker Switch

    • Pins: 1, 2
    • Description: On/Off switch.

11. NPN Transistor (EBC)

    • Pins: emitter, base, collector
    • Description: NPN transistor.

12. Resistor

    • Pins: pin1, pin2
    • Description: Resistor with a resistance of 220 Ohms.

13. 12V Zener Diode

    • Pins: Anode, Cathode
    • Description: Zener diode with a breakdown voltage of 12V.

14. 12V Battery

    • Pins: -, +
    • Description: 12V power source.

Wiring Details

Voltage Regulator

• GND is connected to:

  • Solenoid pin2
  • Ceramic Capacitor pin1
  • L298N DC motor driver 12V
  • Arduino Mega 2560 VIN
  • Rocker Switch pin1

• IN is connected to:

  • NPN Transistor (EBC) collector
  • Tantalum Capacitor -
  • Ceramic Capacitor pin0
  • L298N DC motor driver GND
  • 12v Battery -

• OUT is connected to:

  • Tantalum Capacitor +
  • IR Sensor vcc
  • L298N DC motor driver 5V
  • HC-SR04 Ultrasonic Sensor VCC

IR Sensor

• out is connected to:

  • Arduino Mega 2560 A4
  • Arduino Mega 2560 A5
  • Arduino Mega 2560 A6
  • Arduino Mega 2560 A7
  • Arduino Mega 2560 A8

• gnd is connected to:

  • NPN Transistor (EBC) collector
  • 12v Battery -
  • HC-SR04 Ultrasonic Sensor GND

• vcc is connected to:

  • Voltage Regulator OUT

HC-SR04 Ultrasonic Sensor

• VCC is connected to:

  • Voltage Regulator OUT

• TRIG is connected to:

  • Arduino Mega 2560 D53
  • Arduino Mega 2560 D49
  • Arduino Mega 2560 D43
  • Arduino Mega 2560 D39
  • Arduino Mega 2560 D35

• ECHO is connected to:

  • Arduino Mega 2560 D51
  • Arduino Mega 2560 D47
  • Arduino Mega 2560 D45
  • Arduino Mega 2560 D41
  • Arduino Mega 2560 D37

• GND is connected to:

  • NPN Transistor (EBC) collector
  • 12v Battery -

Solenoid

• pin1 is connected to:

  • NPN Transistor (EBC) base
  • 12V Zener Diode Cathode

• pin2 is connected to:

  • Voltage Regulator GND

DC Motor

• pin 1 is connected to:

  • L298N DC motor driver OUT2
  • L298N DC motor driver OUT3

• pin 2 is connected to:

  • L298N DC motor driver OUT1
  • L298N DC motor driver OUT4

L298N DC Motor Driver

• OUT1 is connected to:

  • DC Motor pin 2

• OUT2 is connected to:

  • DC Motor pin 1

• 12V is connected to:

  • Voltage Regulator GND

• GND is connected to:

  • NPN Transistor (EBC) collector
  • 12v Battery -

• 5V is connected to:

  • Voltage Regulator OUT

• OUT3 is connected to:

  • DC Motor pin 1

• OUT4 is connected to:

  • DC Motor pin 2

• ENA is connected to:

  • Arduino Mega 2560 D9 PWM

• IN1 is connected to:

  • Arduino Mega 2560 A0

• IN2 is connected to:

  • Arduino Mega 2560 A1

• IN3 is connected to:

  • Arduino Mega 2560 A2

• IN4 is connected to:

  • Arduino Mega 2560 A3

• ENB is connected to:

  • Arduino Mega 2560 D10 PWM

Tantalum Capacitor

• - is connected to:

  • NPN Transistor (EBC) collector

• + is connected to:

  • Voltage Regulator OUT

Ceramic Capacitor

• pin0 is connected to:

  • NPN Transistor (EBC) collector

• pin1 is connected to:

  • Voltage Regulator GND

Arduino Mega 2560

• VIN is connected to:

  • Voltage Regulator GND

• A0 is connected to:

  • L298N DC motor driver IN1

• A1 is connected to:

  • L298N DC motor driver IN2

• A2 is connected to:

  • L298N DC motor driver IN3

• A3 is connected to:

  • L298N DC motor driver IN4

• A4 is connected to:

  • IR Sensor out

• A5 is connected to:

  • IR Sensor out

• A6 is connected to:

  • IR Sensor out

• A7 is connected to:

  • IR Sensor out

• A8 is connected to:

  • IR Sensor out

• D9 PWM is connected to:

  • L298N DC motor driver ENA

• D10 PWM is connected to:

  • L298N DC motor driver ENB

• D33 is connected to:

  • Resistor pin1

• D53 is connected to:

  • HC-SR04 Ultrasonic Sensor TRIG

• D51 is connected to:

  • HC-SR04 Ultrasonic Sensor ECHO

• D49 is connected to:

  • HC-SR04 Ultrasonic Sensor TRIG

• D47 is connected to:

  • HC-SR04 Ultrasonic Sensor ECHO

• D45 is connected to:

  • HC-SR04 Ultrasonic Sensor ECHO

• D43 is connected to:

  • HC-SR04 Ultrasonic Sensor TRIG

• D41 is connected to:

  • HC-SR04 Ultrasonic Sensor ECHO

• D39 is connected to:

  • HC-SR04 Ultrasonic Sensor TRIG

• D37 is connected to:

  • HC-SR04 Ultrasonic Sensor ECHO

• D35 is connected to:

  • HC-SR04 Ultrasonic Sensor TRIG

Rocker Switch

• 1 is connected