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Arduino UNO-Based Smart Home Automation with Servo, LED Strip, and Fan Control

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Circuit Documentation

Summary

This circuit integrates various components including a servo motor, an LED strip, a stepper motor, a fan motor, an LCD screen, an IR receiver, and an Arduino UNO microcontroller. The circuit is designed to control these components using the Arduino UNO, which is programmed to manage the operations of the servo, LED strip, fan motor, and other peripherals.

Component List

  1. Servo

    • Description: A motor that can be positioned to specific angles.
    • Pins: gnd, vcc, pulse

  2. WS2815 LED Strip

    • Description: An addressable LED strip that can display various colors.
    • Pins: GND, B0, D0, +12V

  3. Arduino UNO

    • Description: A microcontroller board based on the ATmega328P.
    • 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

  4. 28BYJ-48 Stepper Motor

    • Description: A small stepper motor used for precise control of rotation.
    • Pins: BLUE, PINK, YELLOW, ORANGE, RED

  5. Adafruit Motor, Stepper & Servo Shield

    • Description: A shield for Arduino that allows control of motors, steppers, and servos.
    • Pins: AD3, AD2, AD1, AD0, D0, D1, D2, D3, D4, D5, D6, D7, PWM0, PWM1, PWM14, PWM15, VIN, GND, +5V, +3V3, /RST, IOREF, AD5/SCL, AD4/SDA, AREF, D13, D12, D11, D10, D9, D8, MISO, MOSI, SCK, M1A, M1B, M2B, M2A, M3A, M3B, M4B, M4A, VMOTOR

  6. LCD screen 16x2 I2C

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

  7. fan motor L9110

    • Description: A small DC fan motor.
    • Pins: INB, INA, VCC, GND

  8. MB102 Breadboard Power Supply Module 3.3V/5V

    • Description: A power supply module for breadboards, providing 3.3V and 5V outputs.
    • Pins: VCC, GND, 3.3V, 5V

  9. 12v power supply

    • Description: A power supply providing 12V output.
    • Pins: +, -

  10. IR Receiver

    • Description: An infrared receiver for remote control signals.
    • Pins: DATA, VCC, GND

  11. HX1838 Infared IR Wireless Remote Control

    • Description: An infrared remote control.
    • Pins: FFA25D (1), FF629D (2), FFE21D (3), FF22DD (4), FF02FD (5), FFC23D (6), FFE01F (7), FFA857 (8), FF906F (9), FF9867 (0), FFB04F (#), FF6897 (*), FF18E7 (↑), FF5AA5 (→), FF10EF (←), FF4AB5 (↓), FF38C7 (OK)

Wiring Details

Servo

WS2815 LED Strip

Arduino UNO

28BYJ-48 Stepper Motor

Adafruit Motor, Stepper & Servo Shield

LCD screen 16x2 I2C

fan motor L9110

MB102 Breadboard Power Supply Module 3.3V/5V

12v power supply

IR Receiver

HX1838 Infared IR Wireless Remote Control

Code Documentation

#include <Adafruit_SSD1306.h>
#include <splash.h>
#include <Adafruit_GFX.h>
#include <Adafruit_GrayOLED.h>
#include <Adafruit_SPITFT.h>
#include <Adafruit_SPITFT_Macros.h>
#include <gfxfont.h>
#include <Servo.h>
#include <Adafruit_NeoPixel.h>

// Pin Definitions
#define SERVO_PIN 10
#define LED_STRIP_PIN 3
#define FAN_INA_PIN 6
#define FAN_INB_PIN 7
#define DC_MOTOR_IA_PIN 4
#define DC_MOTOR_IB_PIN 5
#define RELAY_PIN 8

// Servo
Servo myServo;

// LED Strip
#define NUM_LEDS 30 // Adjust based on your LED strip
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, LED_STRIP_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  // Initialize Serial Communication
  Serial.begin(9600);

  // Initialize Servo
  myServo.attach(SERVO_PIN);

  // Initialize LED Strip
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'

  // Initialize Fan Motor Pins
  pinMode(FAN_INA_PIN, OUTPUT);
  pinMode(FAN_INB_PIN, OUTPUT);

  // Initialize DC Motor