https://github.com/Genymobile/scrcpy/blob/master/doc/connection.md#tcpip-wireless
adb connect 192.168.1.2
If it refuses, then plug it into my computer and run
scrcpy --tcpip
This will open port 5555. Then disconnect the device, and reconnect using its IP.
Now I can interact with it through adb, scrcpy, or Android Studio.
This extends to Google/Android TVs. It’s great for sideloading apps unto it.
kill-serveradb disconnect 192.168.1.21
adb disconnect