Can't Change SensorBox V2.6 WiFi SSID and Password

ESPHome
1

I purchased an ESP32 SensorBox device and configured it through its backup wifi web interface. The device works fine with my HomeAssistant Green running 2026.3.1.

I need to move the device to a new WiFi SSID and can not figure out how to configure it.

  • The backup web interface no longer works after configuring it to connect to my WiFi
  • I can not find the configuration yaml or secrets yaml for this device in my Home Assistant Green filesystem
  • Now amount of clicking around on the device’s configuration UI in Home Assistant brings up any WiFi related configuration.

I have tried finding the configuration files using both the File Editor and the StudioCodeServer.

I have also searched for this topic and only found solutions that no longer seem to be valid with the updated Home Assistant interface.

I feel like I am misunderstanding where to find the configuration files as I can not find any configurations for the dashboards I have created, the tile cards I have configured or any of the other customizations I have made to Home Assistant.

2

No sure what that is - do you have a link for the device?

If this is an ESPHome device they should be in /homeassistant/esphome. That’s assuming you adopted the device when you installed it. If you didn’t then they won’t exist.

If you really need to change the wifi, turn off the wifi the device connects to, reboot the device and wait for the fallback AP to appear to reconfigure.

3

No sure what that is - do you have a link for the device?
GitHub - turgu1/sensor-box-v2-code-update: Some ESPHome code update to the SensorBox V2 project · GitHub

If this is an ESPHome device they should be in /homeassistant/esphome. That’s assuming you adopted the device when you installed it. If you didn’t then they won’t exist.

I am not sure what “Adopting” is - I haven’t heard that term in the ESP32 context.
I had the ESPHome integration installed when I installed this device. I did not have the ESPHomeBuilder installed. I see mixed comments that indicate there may be no configuration files available if HomeBuilder wasn’t used.

If you really need to change the wifi, turn off the wifi the device connects to, reboot the device and wait for the fallback AP to appear to reconfigure.

I have tried that and the response from the backup web server is “unable to join network”. I can bring up my old wifi and connect it to HA but I need to figure out how to reconfigure the WiFi settings on these devices.

4

Then you wouldn’t have been able to adopt the device and you won’t have an esphome directory (unless it was previously installed then uninstalled).

All this implies is that you got the credentials wrong, or that the network you are trying to join isn’t reachable.

Apart from reinstalling the yaml from GitHub using the builder, I am not sure how you would proceed.