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One of the jobs I've done in my life was to design and prototype a touchscreen interface for a 1970s style TENS machine with levers and knobs. They couldn't to
by spiritplumber 3y ago
One of the jobs I've done in my life was to design and prototype a touchscreen interface for a 1970s style TENS machine with levers and knobs.
They couldn't touch the machine itself, so what we built was a box that had servos and steppers to move the levers and knobs, which was then controlled from an android tablet (using the audio jack as a serial port, at that).
Very Rube Goldberg. It was a fun build.