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mousethatroared
on June 18, 2025
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PWM flicker: Invisible light that's harming our he...
An easy way to see PWM flicker (and distinguish cheap led bulbs for better ones) is to wave your open hand in-front of them.
If you see the strobe effect, return the bulb and buy another one.
vitaflo
on June 19, 2025
[–]
I have a phone camera app you can set the shutter speed to 10000 fps. It becomes super obvious then, and you can actually somewhat compare how fast the flicker is that way.
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If you see the strobe effect, return the bulb and buy another one.