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    New cartesian 3D Printer Build

    Duet Hardware and wiring
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    • ronnien59
      ronnien59 last edited by

      All, I am currently working on another build. I plan on using a probe for the Z and would like to know what the maximum voltage that the Z probe in pin can handle. My voltage is currently 4.62 VDC, will this be okay? I will be connecting at the Z probe in and ground on the z probe connector.

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      • StephenRC
        StephenRC last edited by

        No, 3.3vdc is the maximum.

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        • dc42
          dc42 administrators last edited by

          The Z probe input of the Duet WiFi is protected against over voltage, but if you are using resistors to reduce the output voltage of the sensor then I recommend you adjust them to limit the voltage to 3.3V or less. See https://duet3d.com/wiki/Connecting_a_Z_probe#PNP_output_normally-open_inductive_or_capacitive_sensor if it is a PNP output sensor.

          Duet WiFi hardware designer and firmware engineer
          Please do not ask me for Duet support via PM or email, use the forum
          http://www.escher3d.com, https://miscsolutions.wordpress.com

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          • ronnien59
            ronnien59 last edited by

            @dc42:

            The Z probe input of the Duet WiFi is protected against over voltage, but if you are using resistors to reduce the output voltage of the sensor then I recommend you adjust them to limit the voltage to 3.3V or less. See https://duet3d.com/wiki/Connecting_a_Z_probe#PNP_output_normally-open_inductive_or_capacitive_sensor if it is a PNP output sensor.

            Thanks , I will adjust my resistors accordingly.

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