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Random thought... before there was sw eating the world there was (analog) electricity eating the world. So many 20th c sensors basically produce a voltage signal. You don’t need an arduino etc to read them. An analog multimeter or oscilloscope will do. Any writing on this?
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It’s not at all convenient... for eg replacing physical scales or a spring balance (pointer on a dial or linear rule) with a strain gauge means you need a power source and a voltmeter. But once electricity eats a sensor layer, you can build instrument panels without computing.
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