Duet Hardware and wiring

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  Guide for posting requests for help
  • T3P3Tony  

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  PWM in Duet3 for CO2 laser
  • Saurabh  

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  Resume from power outage, really only with 24V?
  • the_dragonlord  

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  @Veti said in Resume from power outage, really only with 24V?: @the_dragonlord dc42 would something like this work? https://www.aliexpress.com/i/32967985788.html exactly but it should be interfaceable by the Duet and RRF....when the external board connected to a pin detects a failure the pin goes at low level and RRF starts the failure save procedure....I don't know if this is possible....is it?
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  UNSOLVED Duet 3 issue with endstops and sbc communication
  • tristanryerparke  

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  That's an interesting fault. Does it work if you connect the probe to a different IO connector? IO_0 may be a little special because that's where a PanelDue would be connected.
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  new duet 2 wifi not reading sd card
  • knightwolf313  

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  @knightwolf313 said in new duet 2 wifi not reading sd card: Sorry I thought I got a pic of the M122 better to copy/paste the text if possible. now that you've confirmed the computer sees the files, try M20 S2 P"/www" to see if the duet sees the same, but odds are it won't otherwise it'd just-work(tm).
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  Fan speed not working on one Duet 2
  • firex726  

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  The most common cause for those to fail are short circuits in wiring, so you might want to examine your wiring to avoid the last one failing as well. Have you used F1 before? It's unusual for those to have a cascading failure (or possibly impossible?)
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  New Duet 2 extruder not working
  • GG  

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  There's a share menu in there some where that you can get a link to copy and paste here.
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  Duet 2 expansion plug type
  • OwenD  

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  Don't forget to order whatever crimp receptacles it needs too.
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  Duet 3 with PI 3A
  • sylvaindc  

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  Good one! That explains why it was sooooo slow... Lets, reuse my backup Hass.io server then
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  Did I brick my Duet?
  • sylvaindc  

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  @sylvaindc Sure. I can replace CPU and do some tests before putting a new one.
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  SOLVED Connecting NPN NC inductive switch to Tool board
  • evomotors  

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  @tristanryerparke Best to create a new thread with all your details. Never mind, I see you have another thread already.
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  Installing Duet Maestro in FlashForge Creator Pro (2016)
  • Fireflynj  

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  @droftarts said in Installing Duet Maestro in FlashForge Creator Pro (2016): When do you see interference? When motors are powered up, and/or moving, or when the hot ends are heating? Ian did some testing, it happens with extruder motors are on but still, if I do M85 to turn off motors, I don't see the spikes. The hotends heating did not seem to cause any spikes. And this is with the themocouples wires pulled away far as I can.
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  Printing speed problem
  • Tinchus  

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  I think based on your other thread about the stuttering the issue is related partially to the fact you're running x256 microstepping and an outdated release candidate firmware in combination with running over USB. Once you resolve the issues from your other thread you may find the USB streaming performs better.
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  Shorted out8 on a Duet 3 - options for repair?
  • agmeadows  

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  Thank you for all of the help. Sending a PM to sort out the rest!
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  Strange fan problem
  • RogerL  

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  @RogerL i would suggest you check the wiring. maybe there is bare wiring, or the wire is not making good contact
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  SOLVED Kind help on req Duet3d hardware based on specification
  • coolice2020  

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  @Veti SUPER CLEAR!!!!!!!!!!!!!!!!!!!!!!!!!! I will add a fuse too, just as suggested in docwiki. Big thank you !!!!! (PS: i mark this for solved now, until i have new question. )
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  Driver 5 "bad" phase
  • Parceval  

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  I measured the resistors and they are all 47 Ohm with a maximum tolerance of plus 1%. After re-soldering all gate resistors the output seems to work again. I will do a longer test run to check the reliability. Thanks a lot for the quick help.
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  Connectors for flexible testing
  • JoergS5  

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  @CaLviNx thanks for the example, this is a good approach. Most of my wirings are too short anyway (the stepper wiring eg), so a PCB in the middle solves two problems.
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  Power control for duet 3
  • kvi94  

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  @kvi94 said in Power control for duet 3: Additionally, would a SSR rated 25amps be an overkill? Buy a quality SSR, do not source one from china or your house will catch on fire. Omron G3NA-210B-DC5 (10A) or Crydom D2425 (25A) or Crydom 84134000 (10A) SSR
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  How to use a LED Strip with Duet 2 WiFI?
  • the_dragonlord  

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  @ericlmccormick said in How to use a LED Strip with Duet 2 WiFI?: @the_dragonlord I'm driving the LEDs directly from the board so that I can control the brightness. But if you are driving a MOSFET, then the fan is a better option I guess. yes it is, thanks
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  Anyone know the part number of the E3D thermistor cartridge
  • fcwilt  

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  Thanks to all. Frederick
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  Triangular wave and print area
  • Leblond  

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  @Veti I assure you that you are wrong, the bearings are "u" groove, I have to disassemble them to see their dimensions
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  Duet 2: using Z brake
  • TheGov  

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  @TheGov If I had to design a brake for that Z axis I would mount the solenoid on that rail the motor is attached to and then have the Pawl on the left shaft . Design and print a Pawl cam and mate it to a GT2 20 or 30 tooth sprocket that has grub screws to fix it to the shaft and design and print an interference tooth for the end of the solenoid . Since its all plastic I would use surface areas as wide as possible . Its just a rough idea but I would attempt something like this those flanges for the GT pulley apparently are not that hard to take off and put back on again once that printed piece is fitted on
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  Duet3+SBC random restart while printing "AssertionFailed"
  • Marco Bona  

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  @Marco-Bona said in Duet3+SBC random restart while printing "AssertionFailed": @dc42, thanks. When do you think you can release the next update? Is there anything I can do in the meantime to fix the problem? Very soon I hope, I'm just waiting for @chrishamm to confirm whether DSF and DWC 3.2 are ready.
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  Duet 3 and Creality CR 10 MAX
  • war4peace  

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  @war4peace forget it. there was a bug an early firmware version of duet. but this does not apply here.