This particular LED not only emits light but works in reverse as well: it functi... | Hacker News

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		itsyaboi on Sept 25, 2024 \| parent \| context \| favorite \| on: Orion, our first true augmented reality glasses This particular LED not only emits light but works in reverse as well: it functions as an ambient light sensor. Recording is paused if the LED and camera inputs have a significant difference in detected light levels.

wlesieutre on Sept 26, 2024 [–]

Huh, that’s a good trick! I figured it was like the AirTag speakers.

Props to Facebook for making it less circumventable.

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