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    Best posts made by dragonn

    • IDEA - dynamic acl/jerk with S3D but settings stored in firmware

      I used long time with S3D post process to add M204 and M566 to change acl and jerk depending on the part of the print. But now I good an better idea, what about only using M98

        {REPLACE "; inner perimeter\n" "; inner perimeter\nM98 Pinner_perimeter.g\n"}
        {REPLACE "; outer perimeter\n" "; outer perimeter\nM98 Pouter_perimeter.g\n"}
        {REPLACE "; solid layer\n" "; solid layer\nM98 Psolid_layer.g\n"}
        {REPLACE "; infill\n" "; infill\nM98 Pinfill.g\n"}
        {REPLACE "; gap fill\n" "; gap fill\nM98 P gap_fill.g\n"}
        {REPLACE "; skirt\n" "; skirt\nM98 Pskirt.g\n"}
      

      Like that, now in firmware in sys you only need to create files like inner_perimeter.g and others and put desired commands into it.
      Advantages:

      • easier testing, I think it should be possible to adjust values even during printing
      • settings are independent from slicer, if you change it will apply to old g-codes too

      Not tested yet but I don't see why this shouldn't work.

      posted in Tuning and tweaking
      dragonnundefined
      dragonn
    • RE: 24V PSU, 3V stepper motors

      Stepper motors are current driver, it is the work of the stepper-driver chip to chop the power-supply voltage so the current is at it adjusted value. When it is at it adjusted value the voltage on the stepper motor will be to at the proper value too.

      posted in My Duet controlled machine
      dragonnundefined
      dragonn
    • RE: Temperature run away with new e3D Plated Cooper Heater Block

      You can make you own https://www.thingiverse.com/thing:2343612 they are even better because the original E3D sock sometimes falls off (I secure them with a wire).

      posted in General Discussion
      dragonnundefined
      dragonn
    • RE: Recommendations for heater fuse and holder

      I think a quick blow can lead to false triggers. Last time when I bought a new heater I measured his resistance before powering it first time and it was 2-3 times lower then nominal but after powering it for 1-2s from a 12 supply it get up to the nominal value. In this scenario a quick blow could already trigger.
      I would install something like that http://www.optifuse.com/LargePhotos/LPX-04B-I_lg.jpg search for in-line fuse holder. And I would use an automotive fuse.

      posted in Duet Hardware and wiring
      dragonnundefined
      dragonn
    • RE: Babystepping bug

      @jasperkm said in Babystepping bug:

      2.02 RC4

      I don't understand why people are running RC version firmware when stable version is already available.
      First troubleshooting step should be updating to the latest stable version.

      posted in General Discussion
      dragonnundefined
      dragonn
    • RE: 24v fan on 12v power supply

      @arkadiusz It will work but you need to connect it ground to the 12V ground, both power supplies need to have common ground.

      posted in Duet Hardware and wiring
      dragonnundefined
      dragonn
    • RE: Painfully slow WiFi on my board (sub BT speed - 700KiB/s)

      @vlad you old laptop has probably many megabytes of RAM or even a few gigabytes.
      DuetWifi have only 128 kilobytes of RAM, this is not just the same type of CPU. It is well suited for realtime tasks (like 3D printing) but doing fast data transfer it is weak spot. 700 kilobytes per second are quite good speed on such processor.

      posted in General Discussion
      dragonnundefined
      dragonn
    • RE: Simplify3d + Duet2 wifi

      @bearer said in Simplify3d + Duet2 wifi:

      USB disconnects isn't going to be an issue with the virtual serial port, but i'll get onboard for the two last points, although computer never sleeps (negligible difference in idling with monitor off and actual sleep state, and doesn't break sockets)

      I wouldn't trust a virtual serial port too, computer network aren't designed for such critical things they have dynamic latency with can change depend on the network load and also sometime they can just drop packets. It is just a bad idea to live stream g-code from computer in any way.

      posted in General Discussion
      dragonnundefined
      dragonn
    • RE: PanelDue firmware 1.22 released

      @brunofporto said in PanelDue firmware 1.22 released:

      Please, I would like to know how to install the PanelDue firmware from a Linux based machine.

      I could not find last time I updated and ended bringing the display home for the update.

      Thank you

      You just need to install bossa on you linux distrubtion, not sure what are you running exactly and then run:

      sudo bossac -p /dev/ttyACM0 -e -w -v -b ~/Pobrane/PanelDueFirmware-v3-5.0.bin 
      

      Where last part points to the downloaded firmware

      posted in PanelDue
      dragonnundefined
      dragonn
    • RE: Reverse polarity of heater (peltier heating/cooling)

      I am curious for what are you going to use that peltier? It is only rated up to 80C, are you making a heatbed using peltier devices?

      posted in Duet Hardware and wiring
      dragonnundefined
      dragonn
    • RE: half-assed web UI update put printer down. Need help!

      @vlad update you DuetWiFiServer to 1.23. It works stable for me

      posted in Duet Web Control
      dragonnundefined
      dragonn
    • RE: auto save on loss of power from a different pin (endstop?)

      It works! Only problem with I had was M226 didn't work, seems like it doesn't stop executing the macro until pause.g is finished. But M25 works perfectly fine, posting this because maybe it will be useful for someone else.

      posted in General Discussion
      dragonnundefined
      dragonn
    • RE: PanelDue firmware 1.22 released

      @brunofporto said in PanelDue firmware 1.22 released:

      @dragonn said in PanelDue firmware 1.22 released:

      /dev/ttyACM0

      Please, @dragonn do you know the command to show this address? I am using Ubuntu 😄

      Thank you very much.

      Connect you PanelDue via USB and run:

      dmesg
      

      At end of the log you should see that you PanelDue connected and at with port.

      posted in PanelDue
      dragonnundefined
      dragonn
    • RE: Reverse polarity of heater (peltier heating/cooling)

      It only does that when connected to Duet? When you connected it directly to a power supply it still works like it should?

      posted in Duet Hardware and wiring
      dragonnundefined
      dragonn
    • RE: incorrect print time estimates (S3D), layer count etc

      @zapta what other 8 bit boards? As far I am aware no 8-bit board have any kind of progress and time es terminations. They only have a file progress bar when printing from SD-card.

      posted in Duet Web Control
      dragonnundefined
      dragonn
    • RE: Bowden Wiring - Choice of cable?

      0_1531432099313_P5170368.JPG
      FFC cable + flat spring , works perfectly and looks nice.

      posted in General Discussion
      dragonnundefined
      dragonn
    • 6th-order jerk-controlled motion planning

      https://github.com/MarlinFirmware/Marlin/pull/10337
      This look really interesting and I think Duet Wifi should be able to do this too.

      EDIT

      Wrong link, fixed it.

      ejtagle opened this pull request in MarlinFirmware/Marlin

      closed [2.0.x] 6th-order jerk-controlled motion planning in real-time #10337

      posted in Firmware wishlist
      dragonnundefined
      dragonn
    • RE: Reverse polarity of heater (peltier heating/cooling)

      @blandified connecting it for short time (few seconds) wont damage it and it should already get a lite bit cold. And as far I know a Peltier device is maybe partly but it self limits the power when then temp difference between cold and hot side goes to big.

      posted in Duet Hardware and wiring
      dragonnundefined
      dragonn
    • RE: What software to run on a SBC "Rpi" for the upcoming Duet-3

      I am sure you can run Duet Control on any Linux distro.
      Some people just like more ArchLinuxARM then Raspbian so they is no point making a quarrel what distro should be used. Just use that that you like.
      About installing ArchLinuxARM did you looked at the basic installation guide https://archlinuxarm.org/platforms/armv8/broadcom/raspberry-pi-3 ? This is just some basic copy and paste commands, you only need Linux on you PC (and just agree - developing anything for Linux under Windows is just a silly idea and sucks).
      And for end users when every software for Duet 3 will be stable they should be provided ready to go img for Rassberry Pi

      posted in Duet Web Control
      dragonnundefined
      dragonn
    • RE: GCodes for the next-generation Duet

      What about making groups of commands? Like for example:
      Hnnn - anything connected with heaters
      Snnn - anything connected with speeds
      This should not add a big overhead in the software but would be already make it more readable.

      posted in General Discussion
      dragonnundefined
      dragonn