I’m curious, how many people are aware of these sounds. I have designed, etched, and built my own switching power supplies along with winding my own transformers. I am aware of the source of the noise. So, does anyone else hear these high frequency sounds regularly?

  • rem26_art@kbin.social
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    9 months ago

    I hear some of them. There’s a real cheap one my parents got with a security camera thats real loud to me, but they don’t hear it.