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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Ron
@catmapper Yes, light is detected by the red LED, that's confirmed in documentation.
That still doesn't explain the behaviour though.
I also noticed the readings "lag" behind the actual lighting conditions. If you rapidly reduce/increase light (e.g. turn on/off a lamp), you're gonna see gradually increasing/decreasing readings over several Puck.light calls, not an immediate spike.
I suppose those behaviours (frequency-dependent values and lagging) are somehow related, but my understanding of physical/electronic principles is very limited, so I'm looking for some layman's explanation...