Duet Hardware and wiring

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  COMBINED USED DUEX 5 AND HEATER EXTANSION
  • madedi123

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  thank you david for your perfect support i am a fan!!
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  fans not working
  • hyppo

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  It's not clear to me from your posts whether or not fan 0 works when you test it manually. To test it, see my previous post, but use P0 instead of P1. M106 Snnn without a P parameter (as generated by most slicers) will default to using fan 0, unless you have used the F parameter in your M563 commands in config.g to select a different fan.
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  Messed up kinda bad after a few short circuits
  • flyinchinchy

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  Generally, power to ground results in no damage. The power supplies are fused/overload protected.
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  Ground loop - Prevention --- +5V External PSU
  • Pato

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  Many thanks for the clarification, so no risk of ground loops using a common 2-pin phone chargers. To join the V- terminals on the PSU socket instead of on the Duet looks better also
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  more endstops
  • madedi123

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  See my response to your other post https://forum.duet3d.com/topic/8497/combined-used-duex-5-and-heater-extansion.
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  Printer stopped suddenly, duet and x5 not responding
  • yyamallama

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  @dc42 Thank you so much, I appreciate it! -Christopher
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  Duet 2 Wifi Expansion board IO usage
  • jakemestre

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  @dc42 The more I look at the schematics and work with the boards I realize that you're a badass wizard.
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  Creality CR-10 upgrade
  • Agniusm

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  @agniusm said in Creality CR-10 upgrade: @dc42, swapping wifi for eth module, would i need to put eth firmware first or after swap? Assuming you are using a recent firmware release, both run the same firmware file (Duet2CombinedFirmware.bin).
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  Setting up a Duet 2 Maestro
  • TodaysTomSawyer

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  @novaprint you'd have to contact your seller regardless.
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  Part list or DIY kit for Duet 2 WiFi?
  part list diy kit • • Hoeze

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  The processor is the ATSAM4E8E-AU. The crystal we use is 7B-12.000MEEQ-T or equivalent 5x3.2mm 12MHz.
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  XYZ and Extruder on external drivers...
  • CNCModeller

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  The Maestro only has provision for 5 internal and 2 external drivers. If you need more than 2 external, use the Duet WiFi or Duet Ethernet, which supports 5 internal and 7 external. You can map axes and extruders to the drivers any way you like.
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  Duet Maestro in a polar printer...
  • CNCModeller

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  I've had no feedback on the Polar kinematics support, so my guess is that nobody is using it yet. If you want to give it a go, I'll support you. AFAIK all polar printers have issues with printing close to the bed rotation centre, I think that's impossible to avoid because of the inevitable speed changes. BTW if it's a large semi industrial printer then I recommend you use the Duet Ethernet instead of the Maestro. It has hardware floating point support in the MCU and more powerful stepper drivers.
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  Reducing PWM Fan noise on 5015
  • Veti

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  i just ordered the best rated radial fan from amazon. lets see how that ones does.
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  Chip at U3 up in smoke
  • hbang

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  @elmoret Thank you.... you were right. There was a loose copper strand in the connector to the servo touching across power and ground and leading to a short.
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  LCD12864 Hardware wiring
  • garlicbread

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  thanks for the info
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  Changing I2C pullups to 5V, is it ok for the Duex?
  • jml

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  Perfect, thank you.
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  FAN0 FAN1 FAN2 Problems
  • DarrenAnton

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  Thank's .. doing retesting now. Yes do have H-1 in all my fans in config. I Also added it send gcode line when testing. Get the same thing. This is my 3rd Duet card and I know for sure its wired up the right way. First 2 Duet cards no problems at all... this one not so much But I understand stuff happens... I'm sure I just got a bad card got from Filastruder. Got this one on Nov 15 2018 I will send them a email and see what they can do for me Thanks
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  SOLVED Two steppers and two end stops on one axis
  • fotomas

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  Final settings (for future use by anyone interested): config.g ----------------------------------------- ; Drives M584 X0:3 Y1:4 Z2 U3 V4 P3; Three axis visible ; Tools M563 P0 D0 ; Drive direction M569 P0 S1 ; Drive 0 goes forwards M569 P1 S1 ; Drive 1 goes forwards M569 P2 S1 ; Drive 2 goes forwards M569 P3 S1 M569 P4 S1 ; Steps and Speed M92 X80.00 Y80.00 U80.00 V80.00 Z4000.00 ; Set steps per mm M566 X900.00 Y900.00 U900.00 V900.00 Z12.00; Set maximum instantaneous speed changes (mm/min) M203 X6000.00 Y6000.00 Z180.00 U6000.00 V6000.00; Set maximum speeds (mm/min) M201 X500.00 Y500.00 Z20.00 U500.00 V500.00; Set accelerations (mm/s^2) M906 X800.00 Y800.00 Z800.00 U800.00 V800.00 I30; motor currents (mA) and motor idle factor M84 S30 ; Set idle timeout ; Axis Limits M208 X0 Y0 Z0 U0 V0 S1 ; Set axis minima M208 X600 Y400 Z100 U600 V600 S0 ; Set axis maxima ; Endstops M574 X1 Y1 U1 V1 S0 ; Set active low and disabled endstops homex.g ---------------------------------------- M584 X0 U3 P5; split steppers, 5 axis visible G91 ; relative moves G1 X-650 U-650 F450 S1 ; fast homing X and U in parallell ;G92 X0 U0 ; Make adjustments to square axis here M584 X0:3 P3; join steppers, 3 axis visible G90
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  This topic is deleted!
  • Naqaj

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  Hotend Heater Screw Terminals Backwards
  • rolltide14

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  @dragonn said in Hotend Heater Screw Terminals Backwards: @dc42 said in Hotend Heater Screw Terminals Backwards: But you've got me wondering how we can automate visual inspection, to avoid human error in the inspection process. Maybe some camera and opencv? And compare images to a stored reference image. Probably would need to make photos several photos from different angles. That's the sort of thing I was thinking of.