A smoke-test i had not really thought of: shoot a quick video in slow motion on ... | Hacker News

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		hprotagonist on March 30, 2023 \| parent \| context \| favorite \| on: There's something off about LED bulbs A smoke-test i had not really thought of: shoot a quick video in slow motion on your phone and watch the result to see if there’s a light flicker .

throwthrowuknow on March 30, 2023 [–]

That works really well! Tried it on a cheap LED that I notice the flicker on some times and it really showed up. Also tried an expensive one that I don’t notice any flicker from and there was a very fast flicker on slow mo. Tried daylight as a control and there’s no flicker.

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