Asklemmy

Do you often hear the ringing of switching power supplies and devices when you are in a quiet space?

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?

Are there any EV cars without any "technology"?

Like the title says, are there any EVs that just have a Bluetooth radio and that's it? Like a normal car, not a smartphone on wheels? If not, do you all think that this will actually happen at some point? This is the main reason why I can't (and will never) buy an EV. I like to have actual buttons everywhere on my car. I think...

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