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> Why isn't there general purpose D/A and A/D ports/outputs for instrumentation? There is one, it's the headphone jack. (Or dongle.)
by astrange 2y ago
> Why isn't there general purpose D/A and A/D ports/outputs for instrumentation?
There is one, it's the headphone jack. (Or dongle.)
- hilbert42 2y agoNot useful, it's dedicated. You missed my point.
- astrange 2y agoIs that autocorrect? Because I have no idea what dedicated means here. It's obviously useful, that's how Square launched their card reader business.
- hoseja 2y agoCan you access the ADC in a non-audio context? If not then it's dedicated to audio. The Square reader is like a telephone modem, presumably some app then listens to the "microphone"?