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    Posts made by W3DRK

    • Duet WiFi powed MonoPrice Mini Delta

      Here's a YouTube video of my Mini Delta running a Duet WiFi and FSRs for auto calibration. Other than using a spare 750-watt HP server supply to power the thing, everything else is completely stock.

      A 4.3" Panel Due mod is next, unless there's a firmware branch that supports serial OLED displays for printer/job status, etc.

      Anyway, here's how one of the first test prints came out:

      0_1549900358712_IMG-4635.JPG

      Enjoy 🙂

      posted in My Duet controlled machine
      W3DRKundefined
      W3DRK
    • RE: Configure Cartesian Printer with dual z screw

      Perhaps I'm being thick, but how does one define X,Y coordinates for the Z motors on a moving bed printer like the Prusa i3?

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: New experimental firmware 1.19beta10

      Hey David, did you see my question nested up a few posts about dual-Z motor cartesian printers?

      posted in Firmware installation
      W3DRKundefined
      W3DRK
    • RE: New experimental firmware 1.19beta10

      Can this new independent Z motor leveling be used for dual Z Cartesian printers like the Prusa, OrdBot, clones, etc, or is this a Delta only feature? Seems like it could be used to automatically get the X-axis of the bed mechanically leveled, only requiring the Z motors to track Y-axis movement…

      posted in Firmware installation
      W3DRKundefined
      W3DRK
    • RE: Duet3D PCB delta printer effector sneak preview

      Thanks David. Those 3 holes are for the wheels themselves.

      But it looks like switching to something like this could work if I can find a printable belt fastening mechanism:

      https://www.thingiverse.com/thing:1638410

      posted in Smart effector for delta printers
      W3DRKundefined
      W3DRK
    • RE: Duet3D PCB delta printer effector sneak preview

      OpenBuilds precision V-Slot and Delrin rollers vs cheap Chinese linear rails? No thanks…

      @CaLviNx:

      Just go buy linear rails and enjoy the precision 😛

      posted in Smart effector for delta printers
      W3DRKundefined
      W3DRK
    • RE: Duet3D PCB delta printer effector sneak preview

      Wow…I've just now noticed this topic. What a stunning design, I really love the concept!

      I was just planning on refitting my delta with wider rod spacing and a piezo Z-probe effector, but I really like this design better than any printable one. For folks with machines like my UltiBots 250 V-Slot...how would we go about mounting the carriage adapters to our existing wheeled carriages like these?

      https://github.com/UltiBots/K250VS/blob/master/Experimental/umbee_carriage_45.stl

      Also, if you haven't already is there any chance you could work with the Zesty Nimble crew so they can design a mount for this new heatsink/effector arrangement?

      Cheers!

      posted in Smart effector for delta printers
      W3DRKundefined
      W3DRK
    • RE: Is this Repairable?

      I repaired a Duet WiFi that succumbed to the same fate and it needed practically every 5V device including the MCU and WiFi module replaced. Unfortunately, if I were to charge for that repair it would approach the same cost as just replacing the board…

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: Maker Select V2 w/ duet wifi-heatbed connector melted?

      @j1999t:

      I am in the US, and i sent W3DRK a message about a week ago with no response…

      Hmm I never received a PM notification from the Forum system. A friend just referred me to this post.

      This repair would be a piece of cake. Try sending me another PM and we can work out the details.

      Thanks!

      W3DRK

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: Servo Support… Eventually?

      BLTouch works perfectly with Duet now, no need for the SparkFun board. And just as you suspected, it works fine with the 3.3v servo signal without any external buffering or inverting. See my post about it here:

      https://www.duet3d.com/forum/thread.php?id=459

      posted in Firmware wishlist
      W3DRKundefined
      W3DRK
    • RE: BLTouch working

      @deckingman:

      Just curious as to how accurate this BL touch thing is for homing.

      Antclabs claims a standard deviation of at least 0.01mm–apparently dependent on the probing speed due to the way hall-effect sensors work. I haven't had time to do more than about a dozen prints on this machine since fitting it with the BLTouch, but so far it's been working great and I haven't needed to adjust the Z offset since the initial setup. Perfect first layers every time.

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: BLTouch working

      @Alex9779:

      I just wanna be safe and a resistor crimped into the plug or soldered in somehow might break and then I have a problem. With the Duex now allowing 5V endstops I could omit the resistor and just use one of those native ports.

      For what it's worth I soldered and crimped the resistor in my end-stop connector just to make absolutely sure it's well connected.

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: BLTouch working

      David, I forgot to update that 1.17 dev4 does indeed fix the delay with heater 3 as a servo on a wired Duet. Everything is working absolutely perfectly and I'm extremely pleased with how well the BLTouch works. Thanks!

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: BLTouch working

      David, I can't thank you enough for all the hard work and dedication you contribute to this firmware! I'll install your 1.17 dev build this weekend and let you know how it works out.

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: Refitting Wired Duet with Allegro A5984 drivers?

      Success!

      https://youtu.be/s29fZLVaI8Y

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: Refitting Wired Duet with Allegro A5984 drivers?

      From the looks of it, since MS3 has an internal pull-down resistor I think the only modification I'll need to do is remove the VDD decoupling caps and cut the traces connecting VDD to +3.3v. I suppose another option would be to simply lift that leg and insulate it from the pad with a tiny piece of kapton…

      In any event, I'll be sure to let you know how it works out.

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK
    • RE: Why am I having to run with an extrusion multiplier of 60%?

      Yep! That would be the one…

      @deckingman:

      Just a quicky - which file do I download - is it the win64 full zip (I have 64bit windows)?

      posted in Tuning and tweaking
      W3DRKundefined
      W3DRK
    • RE: Why am I having to run with an extrusion multiplier of 60%?

      It appears as if Prusa Research has really picked up the Slic3r torch and ran with it! I wasn't aware of all the improvements they've been implementing into Slic3r until now, so if I were you I'd not even bother with building the development release and just try the Prusa fork.

      I'm looking forward to trying it out myself.

      posted in Tuning and tweaking
      W3DRKundefined
      W3DRK
    • RE: Why am I having to run with an extrusion multiplier of 60%?

      If I recall correctly, I believe you said at one point you're using Slic3r version 1.2.9, correct?

      You may want to try a more recent "development" version. They've made quite a bit of changes since 1.2.9 and I've been pretty happy with it.

      Unfortunately you'd need to build it myself, but the instructions they provide aren't difficult to follow.

      https://github.com/alexrj/Slic3r/wiki/Running-Slic3r-from-git-on-Windows

      You could also try a pre-compiled build from Prusa Research

      https://github.com/prusa3d/Slic3r/releases

      posted in Tuning and tweaking
      W3DRKundefined
      W3DRK
    • RE: BLTouch working

      Ok thanks for mentioning that! Certainly saves me some troubleshooting…

      @dc42:

      There appears to be a bug along the lines you describe when using heater 3 as a servo. It's on my list to fix in 1.17. The other expansion heater channels don't have the problem.

      posted in Duet Hardware and wiring
      W3DRKundefined
      W3DRK