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    Best posts made by omni

    • RE: How to setup the Bigtreetech smart filament sensor?

      Just a short update from my side about the Bigtree filament sensor.... It works as intended now! 🙂

      My settings are M591 D0 P7 C"e0stop" L7 R75:125 E22 S1

      The readings are usually from 93 to 108%, but I keep it on the safe side with the 75/125 % min/max settings.

      It already saved one print.... 🙂

      Hope it helps.

      posted in Third-party add-ons
      omni
      omni
    • RE: Mosquito hot end...yes or no?

      Hi guys,

      I didn't have time to go through the whole thread, I just read parts of it, but since my friend @arhi mentioned my experience, I just wanted to confirm it.

      I've been printing a lot of different PLA / PET-G brands with the original Mosquito and it has been performing like a champ - I did not have a single problem with it. Before that I was using an MK11 Microswiss all-metal hotend and it was honestly a pain. When it was working- it was performing ok, but when you want to swap a nozzle for example - that is when the nightmare starts - it was a lottery if it would clog or not and cleaning the whole system was painful.

      With Mosquito, swapping nozzles is a breeze and I do it every other day now, to switch between detailed and big prints. I was "expecting" it to fail at some point, since there were some prints that were 24+hour long - but it did not. The only "issue" I've had is that when printing with a 0.8 nozzle with high layers - you have to lower the speed to 30mm/sec if you want to avoid underextrusion, but that is understandable, and you have the MAGNUM version if you want to go faster with bigger nozzles.

      Anyway, if you can afford the Mosquito - I would say go for it. I will be upgrading to the V2 mosquito magnum in the following days for sure.

      Hope it helps.

      posted in General Discussion
      omni
      omni
    • RE: Duet 3 Enclosure for PI + 7" Touchscreen Display

      I've designed a case for Duet 2 + Rpi + 7" screen + 2x SSR's for custom dual zone bed heater. Here is how it looks like

      IMG_20201110_141509.jpg
      IMG_20201110_141520.jpg
      IMG_20201110_141527.jpg

      posted in Duet Hardware and wiring
      omni
      omni
    • RE: How to setup the Bigtreetech smart filament sensor?

      @Popstar
      No additional electronics is needed. It works as is - without any problems - just make sure you get the pinout right and put this line to configure the sensor :

      M591 D0 P7 C"^e0stop" L7 R50:250 E22 S1 ;pulse, disabled, 7 mm/pulse, measure every 22 sec, minimum 50 maximum 250

      Also it would be wise to disassemble the sensor and "squeeze" the spring a little bit, to make the filament go through more easily, since by default the spring is too strong and puts a lot of resistance to the filament flow....

      posted in Third-party add-ons
      omni
      omni
    • RE: Bigtreetech smart filament sensor

      @zapta

      Thanks for the answer.
      I've tried it yesterday - but it seems that Duet is not recording any data from the sensor.

      I configured the sensor as following, just to log data when printing :

      M591 D0 P7 C"^e0stop" L0.07853981634 R90:110 E3 S0

      but it did not receive any data.

      Any ideas on what I can try is highly appreciated.

      Thanks again

      posted in General Discussion
      omni
      omni
    • RE: 2 Component Fans

      @Veti Yup, as Arhi said - if your fans are rated the same voltage as your VIN run them in parallel. If they are half your voltage, run them in series - and you might want to put a zener diode on each end of the series just to protect the fans. That's how I am using these two beefy 12v blowers on a 24v VIN

      IMG_20201019_200509.jpg

      posted in Firmware installation
      omni
      omni
    • Problem setting the Z-Offset, BLTOUCH, RRF 3.1.1

      Hi guys,

      I am having a weird problem with setting the z-offset for BLTOUCH (DUET 2 ethernet, RR 3.1.1).

      My default z-offset for bltouch in this setup was 1.2mm (y offset is 0, x offset is -20) and I started with that.

      But no matter what value I set for the Z-offset, the Height map is shown below the the X,Y,Z grid (see the picture below) and I when I do the G29 mesh calibration it shows the warning that there is a substantial Z-offset.

      4c2dfb86-d8e0-435d-a7ed-118e464563c0-image.png
      11b720e2-1b14-41bc-935b-e80f1c436871-image.png
      I've tried calibrating the trigger height using the instructions here, but I am still having the same problem.

      When I try the G0Z0 at the homing position - z goes to the proper height I set for printing.
      But when I start the print it usually starts way too high.
      I tried both lowering and raising the Z-offset but nothing seems to solve it.

      I also have dual-z leadscrews with dual motors - set to do true bed leveling for the x-axis.

      Does anyone have any ideas?

      Here are the config.g, home.g and bed.g attached

      config.ghomez.g homey.g homex.g homeall.g bed.g

      posted in Tuning and tweaking
      omni
      omni
    • RE: Problem setting the Z-Offset, BLTOUCH, RRF 3.1.1

      @JoergS5 Thanks for your time man, I really appreciate it.

      Here is the image of the mesh :
      0d9a38a7-4a75-4d15-877f-654d3d3dac41-image.png

      Not much was changed, I added a laser filament monitor (but that shouldn't be a problem) and also added an additional 40mm fan to cool the extruder since the stepper motor is encapsulated in the carriage so I was afraid it may be overheating.

      As for the config.g the only I was mainly changing is the z-offset since I cannot seem to get the first layer at the correct height. One thing that is really bothering me is that G32 (true bed leveling) is doing adjustments each time I run it... even when the printer was not turned off.

      Another thing I have tried is the z-probe repeatability macro and the deviation from the mean last time was 0.005, so it is working. I also set the following line for thr Bltouch :

      M558 P9 C"^zprobe.in" H5 F300 T6000 A4 S.0.03

      Images of the printer:

      ARIES 04.jpg ARIES 03.jpg ARIES 02.jpg ARIES 01.jpgIMG_20200607_183908 (2).jpg

      posted in Tuning and tweaking
      omni
      omni
    • Z babysteps not working while printing 3.1.1

      Hi guys,

      I am experiencing a weird problem.

      Z-Babystepping is not working at all once the print starts - neither from the Paneldue screen - nor DWC.
      I am running the latest firmware for both.

      When the printer is in idle (not printing) - z stepping is working normally both + and -, but when the print starts it stops responding altogether.
      M290 command also does not give any info while printing.
      I always put 3 wide skirt circles before the print just so I can make sure the the z-height is right and to prime the nozzle properly - but if it starts wrong, I cannot adjust it with babysteps - and that is something I was so used to on my previous setup.

      I have tried both + and - even 3mm just to see if anything will change over the course of printing, but it does not.

      I have also set the software limit switch of Z to -3 so I can go below Z0, but nothing I do can make the babystepping work once the print starts.
      It's weird because, as I said - in idle it works as expected.

      Any ideas?

      Please find my config.g attachedconfig.g

      posted in Tuning and tweaking
      omni
      omni
    • RE: Z babysteps not working while printing 3.1.1

      I can confirm that reinstalling the firmware solves the problem.

      posted in Tuning and tweaking
      omni
      omni