You can do it by broadcasting events from the listener. Then you can use a Socket.IO server with Redis so you don't need Pusher.
It's all here: https://laravel.com/docs/5.5/broadcasting
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I have 3 displays connected to one main PC. I have a Laravel app running on the main PC with a 10" touch screen display working perfectly. The Laravel app is being served via Docker on the PC. I also have 2 Raspberry Pis with touchscreens which I need to update/refresh based on events from the 10" display. What is the best way to do this (event/listener or broadcast - I am not sure)? I am using Laravel 5.5 and jQuery. Not using Vue. As an FYI, I am not able to subscribe to any cloud service since this will be a closed system. (I am building factory robots BTW :)
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