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10K Thermisistor Input to SECU-16

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  • 10K Thermisistor Input to SECU-16

    Has anyone used a 10K thermisistor as an analog input for SECU-16 input expansion module?

    The simple approach would use a voltage divider (10K precision resistor in series with 10K Thermisistor across 5v source) as an input.

    The temperature range I am interested in is only 30F so linearity isn't an issue but drift could be.

    <> Is there an IC which put everything on one chip?
    <> Is there a constant current source which will give more precise current through the voltage divider?

    Regards,
    Rick Marron
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