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Author Topic: Shift registers and analog data  (Read 25 times)
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So my question is, can I use a shift register chain to input analog data?  There are many projects that are using voltage divider to test voltage using your analog pins, but these are obviously limited in number.  Could you use a shift register and the same two resistor voltage divider circuit to test voltage at many places?

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No, but you can use a 4051 analog multiplexer to select from among eight analog inputs.  You use three digital outputs to select which input goes to your voltage divider.

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