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    Killed C87 on my DuetWIFI, how bad is it?

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    Duet Hardware and wiring
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    • r3cvrundefined
      r3cvr
      last edited by

      Due to unfortunate slippage of a screw driver, I broke it in half. Looks like it's just some sort of shunt for the Z axis driver, can I live without it, or should I attempt to solder a new one in?

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      • dc42undefined
        dc42 administrators
        last edited by

        C87 is connected between one of the Z motor outputs and ground. Its purpose is to help protect the Z driver if the motor is disconnected when under load, and to reduce EMI. Revisions 1.0 and 1.01 of the Duet WiFi didn't have those capacitors.

        If you want to replace it, it is a 1nF X5R or X7R 0603 ceramic capacitor rated 50V or greater.

        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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