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A comment on Raspberry Pi 400 teardown and review. Parent comment

Re:Raspberry Pi 400 teardown and review by unnouinceput on Monday November 02, 2020 @07:34AM (#24967436)
None of the GPIO pins are analog, all of them are discrete. As for sampling audio from a cassette recorder you can use its USB - easier solutions already exists. Why complicate stuff through GPIO?
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Re:Raspberry Pi 400 teardown and review by rbanffy on Monday November 02, 2020 @11:50AM (#24970109)
Sorry. I had the impression it had some form of PWM. In any case, we can always make it work with a square wave.
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