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    whosrdaddy

    @whosrdaddy

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    Website www.thingiverse.com/Whosrdaddy/designs Location Antwerp - Belgium

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    Best posts made by whosrdaddy

    • RE: Grounding!

      @wilriker FYI, If you have a plastic spool holder, it will transfer static charges via the filament onto the ungrounded) extruder motor (2 users recently have been hit by this problem)

      posted in Duet Hardware and wiring
      whosrdaddy
      whosrdaddy
    • RE: RepRapFirmware 2.0 with RTOS in development

      Completed 2 5 hour prints on 2.0 alpha without any issues, amazing stuff David!.

      2 (minor) problems I found so far:

      • sometimes the ESP8266 would not boot a power up (blue led won't light up) ( a power cycle solves this).
      • DWC Disconnects at the end of an upload.

      for reference:

      Firmware Name: RepRapFirmware for Duet 2 WiFi/Ethernet
      Firmware Electronics: Duet WiFi 1.02 or later
      Firmware Version: 2.0(RTOS)alpha1 (2018-04-05b2)
      WiFi Server Version: 1.21
      Web Interface Version: 1.21.1-b1

      Here is the last completed print on 2.0 alpha 🙂
      alt text

      posted in Firmware installation
      whosrdaddy
      whosrdaddy
    • RE: gcode to run at power up

      I would create a macro and call it at the end of config.gwith M98.

      posted in Duet Hardware and wiring
      whosrdaddy
      whosrdaddy
    • RE: desperate, about to give up

      @bearer no you are on the right track, motor currents are way too low.
      @printingmark try setting 1000ma for the xyz motors and 1300ma for the extruder motor.

      posted in Firmware installation
      whosrdaddy
      whosrdaddy
    • RE: Intergrating a precision piezo in Duet-wifi

      The reason that there many pins is that you can easily connect multiple piezo disks.
      For example, I have 4 disks in my setup (2 x 2 in parallel, 1 for pickup, 1 for noise canceling)
      The confusing part is that the piezo's connect horizontally but the connection towards the Duet is a vertical connection

      This is the order - I am using the first image as a reference here, second image inverts the pcb.

      As you see on the silkscreen the 2 bottom vertical stacks are the same:

      Top pin connects to Duet Z Probe in
      Middle pin connects to Duet Ground
      Bottom pin connects to Duet 3.3V

      The pins to the top are 3 horizontal pairs to connect piezo disks to, make sure you respect the polarity (use a multimeter if you are not sure) otherwise the board will perform bad

      The pins in the middle are just ground and are generally not used.

      here is an attempt explaining it with Paint:
      piezo.png

      Hope this helps

      posted in Duet Hardware and wiring
      whosrdaddy
      whosrdaddy
    • RE: Math and Variables in gcode

      Here is the doc how to configure indepent Z motors:
      https://duet3d.dozuki.com/Wiki/Bed_levelling_using_multiple_independent_Z_

      posted in General Discussion
      whosrdaddy
      whosrdaddy
    • RE: Limited service from me during 3D Meetup Sweden

      Found a youtube video from this year, the Duet stand can be seen around 4:30 minutes in the video.
      It seems that they have a Zatsit printer on display 🙂

      3D Meetup sweden

      posted in General Discussion
      whosrdaddy
      whosrdaddy
    • RE: Extruder Max Speed Stuck at 1.33mm/s

      Pro Tip:

      if you put M92 BEFORE M350, you define the values for x16 and M350 will do the correct math if you change from x16 to a higher stepping mode...

      posted in General Discussion
      whosrdaddy
      whosrdaddy
    • RE: Extruder stopped working

      Your extruder driver could be blown, try remapping the extruder to the E1 and see if that fixes your problem.
      Also make sure that the cable to the extruder is intact (put a motor with a different cable on the board)

      posted in General Discussion
      whosrdaddy
      whosrdaddy
    • RE: DuetWifi-error: filename too long

      Seems like the duet is getting ocsp requests (certificate checks), I guess you are using a Mac?
      This is normal as the duet is the internet connection for the computer when the duet is in AP mode.
      You can turn it off if you want, look here for more information.

      posted in General Discussion
      whosrdaddy
      whosrdaddy

    Latest posts made by whosrdaddy

    • RE: Intergrating a precision piezo in Duet-wifi

      The piezo board should receive power from the Duet.
      you are using the Z probe in connector on the Duet right?

      posted in Duet Hardware and wiring
      whosrdaddy
      whosrdaddy
    • RE: Intergrating a precision piezo in Duet-wifi

      These are my relevant lines in config.g, I use the piezo's as underbed Z-probe:

      M574 Z1 S2                                           ; Set endstops controlled by probe
      M558 P8 X0 Y0 Z1 H6 I1 R0.3 F900 T9000 A6 S0.015     ; Piezo V2 probe used for homing Z axis, dive height 2cm, probe speed 600mm/min, travel speed 150mm/s
      G31 P500 X0 Y0 Z-0.14                                ; Set Z probe trigger value, offset and trigger height
      
      posted in Duet Hardware and wiring
      whosrdaddy
      whosrdaddy
    • RE: Intergrating a precision piezo in Duet-wifi

      @mendelevium What board do you have? I can give you my setup if you want (Duet 2 Wifi here)

      posted in Duet Hardware and wiring
      whosrdaddy
      whosrdaddy
    • RE: Intergrating a precision piezo in Duet-wifi

      The reason that there many pins is that you can easily connect multiple piezo disks.
      For example, I have 4 disks in my setup (2 x 2 in parallel, 1 for pickup, 1 for noise canceling)
      The confusing part is that the piezo's connect horizontally but the connection towards the Duet is a vertical connection

      This is the order - I am using the first image as a reference here, second image inverts the pcb.

      As you see on the silkscreen the 2 bottom vertical stacks are the same:

      Top pin connects to Duet Z Probe in
      Middle pin connects to Duet Ground
      Bottom pin connects to Duet 3.3V

      The pins to the top are 3 horizontal pairs to connect piezo disks to, make sure you respect the polarity (use a multimeter if you are not sure) otherwise the board will perform bad

      The pins in the middle are just ground and are generally not used.

      here is an attempt explaining it with Paint:
      piezo.png

      Hope this helps

      posted in Duet Hardware and wiring
      whosrdaddy
      whosrdaddy
    • RE: Fast Response Part cooling fan

      Yes it is an inherent side effect.
      There are some options though.
      a) let the heater blow constantly air at the printed layer (not easy do this consistent), I believe I saw one concept here in the forums but can't find it atm
      b) berd air (this works but to get it 100% dialed in is not easy as you really need to aim the air just under the nozzle and make sure you do not cool other parts of the print as this will lead to thermal stress)
      c) use support material (the better option), if you have 2 independent heads or a toolchanger you even have the option to print your support in another material (like pve or pla)
      I print all my ABS prints with full supports and while it is a bit tedious to remove the support material, it simply delivers the best prints.

      posted in Tuning and tweaking
      whosrdaddy
      whosrdaddy
    • RE: Strange layer offset on coreXY

      This is a mechanical problem, not an electronics problem.
      Can we see pictures of your belt setup. I guess one or more belts paths are not perpendicular to X or Y motion...

      posted in Firmware installation
      whosrdaddy
      whosrdaddy
    • RE: Any advice printing tpu ?

      I do not have glass but I use bed temps around 70°C, this is on a PEI like material.
      Much depends on the hardness of the TPU, as a general rule of thumb the harder, the more temp it needs.
      Don't forget to disable retractions (but I guess you already know that)

      posted in General Discussion
      whosrdaddy
      whosrdaddy
    • RE: repeat a part of a macro

      @cosmowave As I understand it, is that if the user presses cancel the macro is aborted, so just make an infinite loop and put M291 in it.

      posted in Using Duet Controllers
      whosrdaddy
      whosrdaddy
    • RE: repeat a part of a macro

      @cosmowave
      something like this?

      posted in Using Duet Controllers
      whosrdaddy
      whosrdaddy
    • RE: Infinite U-axis, but linear motion?

      Treat it as a normal linear axis with a fixed length (if you unfold the ellipse, you will get a line of a certain length), and home it at a certain point on the axis.

      posted in General Discussion
      whosrdaddy
      whosrdaddy