No. These things are designed to turn on and off hundreds of times per second to... | Hacker News

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		hexa22 on July 23, 2021 \| parent \| context \| favorite \| on: Show HN: Website changes design each time you blin... No. These things are designed to turn on and off hundreds of times per second to emulate dimming.

adrianmonk on July 23, 2021 [–]

Or even tens of thousands of times per second, according to an Analog Devices article: "Don’t Want to Hear It? Avoid the Audio Band with PWM LED Dimming at Frequencies Above 20kHz" (https://www.analog.com/en/technical-articles/avoid-the-audio...).

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