Disable WiFi

I want to light my kids bedroom with wled setup, I prefer not to use WiFi in bedrooms.
Since I control wled from a button (ordered also IR remote) I need the wifi only for initialize setup.

Can I disable the Wifi after the setup?
Maybe have 5 minutes to set up each time power up than go to off mode?
Maybe waking up wifi with a button?

if it is not supported yet (probably) can I do it by myself?
I found that ESP support that with: ‘WiFi.mode(WIFI_OFF);’
Can anyone point me where can I use it in the code? I have some programming knowledge.
Thanks

Curious what is harm of just leaving it on? Or simply let the wled device stay in ap mode…

I’m using wifi all day, prefer not to have any wifi signal in my rooms also at night when I don’t really need it.

Yes so just turn your Wi-Fi off then signal gone? Turning Wi-Fi on wled off won’t kill the signal from the router.

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