Connect to HA on RPi 4+ without internet

[jwhowa (Jim Howard)]

I believe you are trying to do exactly what I was trying to do a couple weeks ago. Just boot up a PI to Wifi without ever plugging it in to wired.

If that’s the case, and you’re a bit techy, I wrote an article on how to do it… Here you go, hope it helps:

HOWTO: Set Static IP on Raspberry Pi4 wireless with new HassOS Installation 08/2021

Synopsis: How To Configure Static IP on a PI4, using its onboard Wifi adapter, before ever booting to the GUI or using a wired connection. This documentation was written for HA core-2021.8.8. Why: I was building a dev box out of a spare PI and needed to get it on Wifi, something I would normally not do. All the documentation I found about setting a static IP was for an already installed machine, I wanted to do this as I built the machine, so it came up the first time on my wifi and with the c…