Northern Man

You can configure the log rollover settings within the UI 

Ooops, the advanced logging settings are hidden.....Submitted a PR for the UI to expose them https://github.com/homebridge/homebridge-config-ui-x/pull/2196

Try it with the DEBUG setting `HAP-NodeJS:EventedHTTPServer:Connection`, that will show the updates

Could the automation be triggered by the temperature crossing the threshold, then falling back ? Does the automation need ‘de-bouncing’ to prevent false triggers? or does the ac have a...

As your running running under hoobs and not homebridge that could be the issue. Pls use homebridge and try again. The log file is not a format I’m familiar with...

Take a look at your recent post its empty

A re-install of the plugin will include the file. Try removing and installing again

If you look I updated it yesterday Are you running on Homebridge or Hoobs ?

The Pi Zero W has not been properly supported by NodeJS for a while, you need something more modern for NodeJS / Homebridge.

PS - And an Arduino build is in the ArduinoLvgl branch