Thanks for the ping @RichCNJ!
@rich1
The sensor may give an impression of not updating values for 2 reasons explained above:
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You're testing it by turning the lights on and off and expect an instant response but as it was already mentioned, the sensor only probes the environment (for temp, humidity, and light) every 3 minutes to conserve battery life. It was designed with typical automations in mind so to serve as trigger based on natural brightness levels which don't usually change rapidly. So please wait at least 3 minutes after turning the lights off to see if the sensor updates (if it doesn't, get in touch with our support for more detailed troubleshooting).
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53 seems to be the equivalent number of lux coded in Hubitat for the 100% which the sensor interprets as "bright daylight" (i.e. brightness level that doesn't require additional lighting). That's why it never goes beyond 53. I believe this number (equivalent of 100%) can be adjusted within the handler. Just like with programming a sensor that reports lux, you need to observe which value to match to the level of brightness you're looking to use as trigger.
I hope that helps!
