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by semolino 215 days ago
Most devices have a built-in ambient light sensor:

https://en.wikipedia.org/wiki/Ambient_light_sensor
1 comments
vladvasiliu 215 days ago
What do you mean "most"? Maybe the phones, but PCs rarely have them. Outside macbooks, I only have seen one PC with a light sensor.
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semolino 215 days ago
I meant most mobile devices. I think my TV has one as well.
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