Show HN: Use iPhone's camera as a lux meter
By bkazez · 2026-08-01 · 2 points · 0 comments
https://www.impulsearc.com/wavelength/
After suffering one too many times from bad jet lag, I read a bunch of circadian rhythm papers and developed a simple app to help fight jet lag. I knew that avoiding devices at night was helpful, but it turns out that getting the right light at specific times of day can help not…
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