UDP Tutorial

Hi, i want to understand the method to discover the led over the net like the application and how to control multiple or single strip
How to discover devices?
What to send to change effect, color, ecc… with UDP?
Thanks and have a good day

For UDP… UDP Realtime Control · Aircoookie/WLED Wiki · GitHub

Thanks, i’ve understand and all work, there is someone that know how the device discovery works?