Bootloader.ino

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

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

ESP8266WebServer server(80);

// Function to connect to Wi-Fi
void connectWiFi() {
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi...");
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  
  Serial.println(" Connected!");
}

// Setup function
void setup() {
  Serial.begin(115200);
  connectWiFi();

  // Start OTA
  ArduinoOTA.onStart();
  ArduinoOTA.onEnd([]() {
    String type;
    if (ArduinoOTA.getCommand() == U_FLASH) {
      type = "sketch";
    } else { // U_SPIFFS
      type = "filesystem";
    }
    // NOTE: if updating SPIFFS this would be the place to unmount SPIFFS using SPIFFS.end()
    Serial.println("Update " + type + " complete");
  });
  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
    Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
  });
  ArduinoOTA.onError([](ota_error_t error) {
    Serial.printf("Error[%u]: ", error);
    if (error == OTA_AUTH_ERROR) {
      Serial.println("Auth Failed");
    } else if (error == OTA_BEGIN_ERROR) {
      Serial.println("Begin Failed");
    } else if (error == OTA_CONNECT_ERROR) {
      Serial.println("Connect Failed");
    } else if (error == OTA_RECEIVE_ERROR) {
      Serial.println("Receive Failed");
    } else if (error == OTA_END_ERROR) {
      Serial.println("End Failed");
    }
  });

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

// Loop function
void loop() {
  ArduinoOTA.handle(); // Handle OTA updates
  server.handleClient(); // Handle web server requests
}