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    How do you do that with zener diodes? If the...

    How do you do that with zener diodes? If the input volts are over 3.3V, it will clip to the power rail. Schottky diodes forward bias at about 0.2 V
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    Bump, wondering if this is acceptable protection...

    Bump, wondering if this is acceptable protection circuit? Reading the data sheet, VCC + 0.3V seems okay.
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    Teensy 3.2 and 3.6 Yes it's just for on/off...

    Teensy 3.2 and 3.6

    Yes it's just for on/off switches. I do believe I have a few on/off sensors that float at 5v. But I wanted to make sure down the road that it can handle 12v floating if the...
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    Digital Input - BAT54S

    One project I'm going to use BAT54S to protect the digital inputs.

    Question on the pull-up voltage. Any reason to use 3.3V, 5V or 12V?

    I have 3.3V currently on the pull-up, and if I put 5V (or...
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