firebase.js

// Import the functions you need from the SDKs you need
import { initializeApp } from "firebase/app";
import { getDatabase, ref, onValue } from "firebase/database";
import "firebase/database";
// import { initializeApp } from "firebase/app";
// import { getDatabase, ref, onValue } from "firebase/database";
// TODO: Add SDKs for Firebase products that you want to use
// https://firebase.google.com/docs/web/setup#available-libraries

// Your web app's Firebase configuration
const firebaseConfig = {
  apiKey: "*************************",
  authDomain: "*************************",
  databaseURL: "*************************",
  projectId: "esp32-46633",
  storageBucket: "*************************",
  messagingSenderId: "*************************",
  appId: "*************************",
};

// Initialize Firebase
const app = initializeApp(firebaseConfig);
const db = getDatabase();

export { db, ref, onValue };