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LIS3DSH placement

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Smart effector for delta printers
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  • undefined
    oliof @tecno
    last edited by 20 Apr 2023, 06:45

    @tecno You got a hotend cooling fan on the hotend? I made an adapter to mount the accelerometer using two of the fan bolts.

    <>RatRig V-Minion Fly Super5Pro RRF<> V-Core 3.1 IDEX k*****r <> RatRig V-Minion SKR 2 Marlin<>

    undefined 1 Reply Last reply 20 Apr 2023, 09:04 Reply Quote 0
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      tecno @oliof
      last edited by 20 Apr 2023, 09:04

      @oliof
      This hotend is watercooled.

      undefined 1 Reply Last reply 20 Apr 2023, 09:56 Reply Quote 0
      • undefined
        oliof @tecno
        last edited by 20 Apr 2023, 09:56

        @tecno please show the effector from below anyways, maybe there is a way there.

        <>RatRig V-Minion Fly Super5Pro RRF<> V-Core 3.1 IDEX k*****r <> RatRig V-Minion SKR 2 Marlin<>

        undefined 1 Reply Last reply 20 Apr 2023, 10:32 Reply Quote 0
        • undefined
          tecno @oliof
          last edited by 20 Apr 2023, 10:32

          @oliof
          Only way is this on photo. Y axis is on my hand side, is this OK as I can not place the board in other direction.

          DSC_0577.JPG

          undefined 1 Reply Last reply 21 Apr 2023, 10:49 Reply Quote 0
          • undefined
            tecno @tecno
            last edited by 21 Apr 2023, 10:49

            I have managed to place the LIS3DSH board and made cabling for it.

            M955 P0 is OK
            Trying M956 command fails to start data collection.

            Is this lacking Ixx info in config?

            LIS3DSH.PNG

            undefined 1 Reply Last reply 21 Apr 2023, 10:57 Reply Quote 0
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              tecno @tecno
              last edited by 21 Apr 2023, 10:57

              faed8add-2aba-467c-84d1-ffb2b9afc77b-image.png

              undefined 1 Reply Last reply 21 Apr 2023, 13:14 Reply Quote 0
              • undefined
                tecno @tecno
                last edited by 21 Apr 2023, 13:14

                Now this 😞

                494b6f46-9928-4889-ab6f-5487ba21c224-image.png

                The accelerometer is OK, tested on other printer.
                Used multimeter to verify connection pin to pin.

                Tried another IO for CS/INT

                undefined 1 Reply Last reply 21 Apr 2023, 14:27 Reply Quote 0
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                  tecno @tecno
                  last edited by 21 Apr 2023, 14:27

                  @dc42
                  Is there a way to test port functionality for accelerometer on Mini5+ Lan version

                  I suspect that something is wrong with this board as it will not function.

                  undefined 1 Reply Last reply 21 Apr 2023, 14:37 Reply Quote 0
                  • undefined
                    dc42 administrators @tecno
                    last edited by 21 Apr 2023, 14:37

                    @tecno are you using the same cabling on both machines, or different cabling? The most common issue we see with these accelerometers is that the CS signal is sensitive to noise, which it can pick up from other signals in the same cable. Better cabling fixes the problem, however a small capacitor between CS and ground on the LIS3D[S]H board would probably fix it too. 220pF might be a suitable value.

                    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

                    undefined 1 Reply Last reply 21 Apr 2023, 14:51 Reply Quote 0
                    • undefined
                      tecno @dc42
                      last edited by 21 Apr 2023, 14:51

                      @dc42
                      Two different cabling, on this Delta I have two different shielded cables one for VCC/GND/CS shield grounded on Duet side.

                      Will try cap

                      undefined 1 Reply Last reply 21 Apr 2023, 15:00 Reply Quote 0
                      • undefined
                        tecno @tecno
                        last edited by tecno 21 Apr 2023, 15:00

                        @dc42

                        Same with cap CS to GND /// This does not work on my Chiron. May wrong value cap

                        undefined 1 Reply Last reply 21 Apr 2023, 15:07 Reply Quote 0
                        • undefined
                          dc42 administrators @tecno
                          last edited by dc42 21 Apr 2023, 15:07

                          @tecno you could try 470pF or even 1nF. If that still doesn't work then I would suspect a bad connection.

                          The error message you reported earlier concerning INT1 suggests that the INT line was not connected or was not configured correctly.

                          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

                          undefined 2 Replies Last reply 21 Apr 2023, 15:08 Reply Quote 0
                          • undefined
                            tecno @dc42
                            last edited by 21 Apr 2023, 15:08

                            @dc42
                            Will do, back shortly. PS did work on my chiron !

                            1 Reply Last reply Reply Quote 0
                            • undefined
                              tecno @dc42
                              last edited by 21 Apr 2023, 15:17

                              @dc42 said in LIS3DSH placement:

                              470pF or even 1nF

                              Sorry NoGo

                              undefined 1 Reply Last reply 21 Apr 2023, 16:42 Reply Quote 0
                              • undefined
                                tecno @tecno
                                last edited by tecno 21 Apr 2023, 16:42

                                @dc42

                                Just made a very short cable just to verify if port on Duet board is busted or not = it is not.

                                lis3dsh_short.JPG

                                So the long cable I have is just too much ~2.10m, Maybe I can cut it down to ~1.6m, need to have space to move all axis 😉 for input shaping.

                                undefined 1 Reply Last reply 21 Apr 2023, 17:20 Reply Quote 0
                                • undefined
                                  tecno @tecno
                                  last edited by 21 Apr 2023, 17:20

                                  Did cut down the cable = NoGo

                                  undefined 1 Reply Last reply 23 Apr 2023, 16:22 Reply Quote 0
                                  • undefined
                                    tecno @tecno
                                    last edited by 23 Apr 2023, 16:22

                                    Is it really that bad that my accelerometer boards are useless due to cable lenght?

                                    Is there any development as regards Smart effector to include accelerometer?

                                    undefined 1 Reply Last reply 24 Apr 2023, 01:13 Reply Quote 0
                                    • undefined
                                      dc42 administrators @tecno
                                      last edited by 24 Apr 2023, 01:13

                                      @tecno I am pushing for the combined Smart Effector and tool board to be done soon. We will increase the size and the rod spacing (perhaps from 55 to 70mm) to accommodate a small direct drive extruder, and maybe change the hot end mounting to suit the E3D Revo Voron hot end. Does that sound OK?

                                      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

                                      undefined undefined undefined undefined 4 Replies Last reply 24 Apr 2023, 07:48 Reply Quote 1
                                      • undefined
                                        tecno @dc42
                                        last edited by 24 Apr 2023, 07:48

                                        @dc42
                                        That sounds to be very good solution to get all signals as short as possible.

                                        If you need a beta tester I am here awaiting 🙂

                                        1 Reply Last reply Reply Quote 0
                                        • undefined
                                          achrn @dc42
                                          last edited by 24 Apr 2023, 09:37

                                          @dc42 said in LIS3DSH placement:

                                          @tecno I am pushing for the combined Smart Effector and tool board to be done soon. We will increase the size and the rod spacing (perhaps from 55 to 70mm) to accommodate a small direct drive extruder, and maybe change the hot end mounting to suit the E3D Revo Voron hot end. Does that sound OK?

                                          FWIW, it sounds fabulous to me - it has been mentioned a number of times, and I expect I'll place an order as soon as I see it (I'd even pre-order). Personally, I'd prefer a Revo Micro (because I currently have a revo micro on my smarteffector, so it avoids additional purchases) but I'd still buy if I needed a new Revo heatsink.

                                          My preferred extruder would be orbiter (which I have on other printer and am happy with), but I do note that it's more eccentric (about the filament path) than some other options.

                                          undefined 1 Reply Last reply 24 Apr 2023, 09:41 Reply Quote 0
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