Designing a Passive Lidar Detector Device (atredis.com)

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I admit it's a nice experiment, but I guess the title should be "detecting iPhone Lidar".

Both the 60Hz frequency and 940nm wavelength are fairly specific. There's a whole world of different wavelengths (1550nm is fairly common) and frequencies (up to 1MHz isn't particularly exceptional).

There's been a whole thread on the topic here:

https://news.ycombinator.com/item?id=46110395

If you are sensitive to flashing - do not try to open this link. It is impossible to read because of videos of flashing lights.

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