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    5V GND

    Duet Hardware and wiring
    12v gnd 5v gnd ground
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    • Nxt-1
      Nxt-1 last edited by

      I'm adding an external 5V PSU to my Duet Wifi. Should I tie the grounds from both the 5V PSU and the main 12 PSU together or not?

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      • dc42
        dc42 administrators last edited by

        If you feed the 5V power to the Duet via the 5V_PS connector, then the ground pin of that connector is already tied to VIN ground on the Duet.

        Nxt-1 1 Reply Last reply Reply Quote 0
        • Nxt-1
          Nxt-1 @dc42 last edited by

          @dc42 said in 5V GND:

          If you feed the 5V power to the Duet via the 5V_PS connector, then the ground pin of that connector is already tied to VIN ground on the Duet.

          You mean internally on the Duet?

          dc42 1 Reply Last reply Reply Quote 0
          • dc42
            dc42 administrators @Nxt-1 last edited by

            @nxt-1 said in 5V GND:

            @dc42 said in 5V GND:

            If you feed the 5V power to the Duet via the 5V_PS connector, then the ground pin of that connector is already tied to VIN ground on the Duet.

            You mean internally on the Duet?

            Yes.

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