Remote control switch board circuit diagram using esp8266

Home automation 5 switch Code👇🏻👇🏻👇🏻

#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>

// Replace with your network credentials
const char* ssid = "your_SSID";       // Enter your WiFi SSID
const char* password = "your_PASSWORD"; // Enter your WiFi Password

// Define GPIO pins for buttons and relays
int buttonPins[5] = {5, 4, 0, 2, 14};   // D1, D2, D3, D4, D5 (button input pins)
int relayPins[5] = {12, 13, 15, 3, 1};  // D6, D7, D8, D9, D10 (relay output pins)

ESP8266WebServer server(80); // Create a web server on port 80

// Array to keep track of relay states
bool relayState[5] = {false, false, false, false, false}; // false = OFF, true = ON

void setup() {
  Serial.begin(115200); // Initialize serial communication for debugging

  // Initialize button GPIO pins as INPUT with pull-up resistors
  for (int i = 0; i < 5; i++) {
    pinMode(buttonPins[i], INPUT_PULLUP); // Button pins as input with internal pull-up
  }

  // Initialize relay GPIO pins as OUTPUT and set them LOW (off)
  for (int i = 0; i < 5; i++) {
    pinMode(relayPins[i], OUTPUT);
    digitalWrite(relayPins[i], LOW); // Start with all relays OFF
  }

  // Attempt to connect to WiFi
  connectToWiFi();

  // Print the IP address
  Serial.print("ESP8266 IP Address: ");
  Serial.println(WiFi.localIP());

  // Set up URL handlers for each command
  server.on("/command1", []() { toggleRelay(0); });
  server.on("/command2", []() { toggleRelay(1); });
  server.on("/command3", []() { toggleRelay(2); });
  server.on("/command4", []() { toggleRelay(3); });
  server.on("/command5", []() { toggleRelay(4); });

  // Start the server
  server.begin();
  Serial.println("HTTP server started");
}

void loop() {
  // Handle incoming client requests
  server.handleClient();

  // Check button states and toggle relay if a button is pressed
  for (int i = 0; i < 5; i++) {
    if (digitalRead(buttonPins[i]) == LOW) { // Button is pressed (LOW due to pull-up)
      delay(50); // Debounce delay
      if (digitalRead(buttonPins[i]) == LOW) { // Confirm button press
        toggleRelay(i); // Toggle the corresponding relay
      }
      while (digitalRead(buttonPins[i]) == LOW); // Wait until button is released
    }
  }
}

// Function to toggle a relay on or off
void toggleRelay(int relayIndex) {
  relayState[relayIndex] = !relayState[relayIndex]; // Toggle relay state
  digitalWrite(relayPins[relayIndex], relayState[relayIndex] ? HIGH : LOW); // Update relay

  // Send feedback over HTTP
  server.send(200, "text/plain", relayState[relayIndex] ? "Relay ON" : "Relay OFF");

  Serial.print("Toggled relay ");
  Serial.println(relayIndex + 1);
}

// Function to connect to Wi-Fi with retry mechanism
void connectToWiFi() {
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi");
  
  int retries = 0; // Track number of connection attempts
  while (WiFi.status() != WL_CONNECTED) {
    retries++;
    delay(1000);
    Serial.print(".");
    
    if (retries >= 20) { // Retry for 20 seconds
      Serial.println();
      Serial.println("Failed to connect to WiFi. Restarting...");
      ESP.restart(); // Restart ESP if WiFi doesn't connect
    }
  }

  Serial.println();
  Serial.println("Connected to WiFi");
}