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    Hobby servo for probe shutting down duet.

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    • A Former User?
      A Former User @cj19944
      last edited by

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      • cj19944undefined
        cj19944 @T3P3Tony
        last edited by

        @t3p3tony
        I get it of the main board. Is this wrong sorry im not an electronics person

        Phaedruxundefined T3P3Tonyundefined dc42undefined 3 Replies Last reply Reply Quote 0
        • cj19944undefined
          cj19944 @A Former User
          last edited by

          @arnold_r_clark
          What temp will it work up to, maybe I need to change

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          • A Former User?
            A Former User @cj19944
            last edited by

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            • cj19944undefined
              cj19944 @A Former User
              last edited by

              @arnold_r_clark
              Do you have link please

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              • Phaedruxundefined
                Phaedrux Moderator @cj19944
                last edited by

                @cj19944 said in Hobby servo for probe shutting down duet.:

                @t3p3tony
                I get it of the main board. Is this wrong sorry im not an electronics person

                So just the 24v from the PSU then.

                Z-Bot CoreXY Build | Thingiverse Profile

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                • T3P3Tonyundefined
                  T3P3Tony administrators @cj19944
                  last edited by

                  @cj19944 that should be correct,

                  www.duet3d.com

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                  • dc42undefined
                    dc42 administrators @cj19944
                    last edited by

                    @cj19944 drawing 900mA from the 5V rail of a 6HC is OK. But the servo may have a higher stall current. The maximum external 5V load supported by the 6HC is 3A.

                    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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                    • A Former User?
                      A Former User @cj19944
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                      • cj19944undefined
                        cj19944 @dc42
                        last edited by

                        @dc42 i have taken it from the 5v .i05 rail should i use another pin.
                        Thanks

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                        • cj19944undefined
                          cj19944 @cj19944
                          last edited by

                          @cj19944 Hi guys fixed this problem by switching 5v pin to my 3.3v pin on my set up must of been something to do with stall current something I obviously don't understand to much, appreciate everyone's help.

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                          • cj19944undefined
                            cj19944 @cj19944
                            last edited by

                            @cj19944
                            All this did was just not shut the machine down.

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                            • T3P3Tonyundefined
                              T3P3Tony administrators @cj19944
                              last edited by

                              @cj19944 said in Hobby servo for probe shutting down duet.:

                              @cj19944 Hi guys fixed this problem by switching 5v pin to my 3.3v pin on my set up must of been something to do with stall current something I obviously don't understand to much, appreciate everyone's help.

                              the servo you linked did not look like it would work properly run from 3.3V. can you send a picture of how it you have it wired?

                              www.duet3d.com

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                              • cj19944undefined
                                cj19944 @T3P3Tony
                                last edited by

                                @t3p3tony mg996r-servo-metal-gear-high-torque.jpg
                                This was my original setup, then i swapped 5v to the 3.3v power the machine did not shut down but the motor also did not move. I have ordered the Schottky diode and 220uF capacitor and an external 5v source for if that does not work. If you wouldn't mind if confirming i do have the wires wired up correctly that would be much appecitated thanks.

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                                • cj19944undefined
                                  cj19944 @cj19944
                                  last edited by

                                  @cj19944 Just used an external 5v power supply and all is working okay thanks again.

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                                  • T3P3Tonyundefined
                                    T3P3Tony administrators @cj19944
                                    last edited by

                                    @cj19944 thanks for confirming it. Its interesting to see that that servo has a high enough stall current to drop the 5V supply on the 6HC.

                                    www.duet3d.com

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