to run the app
npm i or yarn
cp .env.example .env
then
node server.js
For broadcaster screen: http://localhost:3000/?room_id=1&user_id=1
For viewer screen: http://localhost:3000/viewer.html?room_id=1&user_id=3
For viewer screen: http://localhost:3000/viewer.html?room_id=1&user_id=4
Packet: https://www.npmjs.com/package/wrtc
You can learn it from url: https://youtu.be/GMbdEnK8h3U
Thank you: Coding With Chaim