Duet Hardware and wiring

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  Guide for posting requests for help
  • T3P3Tony

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  Multiple valve PWM control with DUET
  • reFlexlab

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  @reflexlab said in Multiple valve PWM control with DUET: Bearer : I think flyback diodes are already built in isn't it ? Flyback diodes were added to the OEM fan outputs from revision 1.02 of the Duet 2
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  Having trouble connecting motors to Duex5
  • p40whk

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  @p40whk Glad you are making progress. If you are still stuck, post your entire config.g and homing files here.
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  hot end wire, thermistor wire
  • DallasH

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  the wire that you are using to extend should be at least the same diameter or bigger.
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  Pre crimped cables
  • MarkusKruse

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  Thanks. Taking the pictures almost required a fourth hand.
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  Z Probe shows no values
  • KevinO

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  when i run g32 or g29 or like when iam runing my macro of g1 z10 and G30 s-1 20 times... mmh really suspicious.. using duetwebcontrol 2 there was no leadscrew correction but with using the old one there is one.. mh so for me it works i think iam also doing a print and the first layer looks okay. maybe its because of the fast raising i dont know with the precision piezo i never had something like that.. I saw all the time those Values
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  Big Stepper upgrade
  • fm16055

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  @fm16055 said in Big Stepper upgrade: I have red that the expansion breakout board is rated to have a 5V output. Am I right? The expansion breakout board provides two options. The first is differential outputs a little lower than 5V, typically 3.5V to 4V. Most 5V drivers work with this. But it can also provide single-ended 5V drive for those drivers that are not happy with less than 5V.
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  Very strange behavior, CoreXY with external drivers
  • Capricorn

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  Newest update: Last Monday, i ordered a new Breakout-Board at a German supplier. They confirmed my order and told me, it's on stock and delivery time 3-4 days. Nothing happend since then. So today i lost patience and did some further tests. Result is, i desoldered the 4 75ALS192 chips and connected all the S-/D- to the appropriate ports on the 50-pin connector. Had to change the direction of rotation, and viola', all systems running. Perfect... Smoothly... I can not wait any longer, to do my first print. I'm so exited.... Thank you all, for trying to help me with that issue.
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  Duex5 - 5v for relay
  • mark

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  I had similar challenge. I ended up wiring up a MOSFET to be triggered by the pin. The MOFSET can get triggered by anything as low as 2.5V. If you control the ground wire of the circuit, you can then use almost any relay, 5V or 12V. I am basically following the Duet schematic for the circuit. I described it here - https://forum.duet3d.com/topic/10758/powering-on-using-tp-link-smart-plug
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  psu fan testing
  • kmhudgins

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  @phaedrux yes the psu is a Meanwell power supply. printed off a new frount pannal for the psu giving it more space for air flow and the ability to use a 80 mm fan. However i did not do my research and though there was a standard 3 pin cpu fan header instead of the two pin. I ordered a noctua 80x20 4 pin with the 3 pin converter. Doing some actual research I found i should be able to just plug in the 12v to the positive and the ground to neg. which is how it is set up just was not sure if i could test it or not.
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  Extruder with multiple filaments selected with a camshaft
  • tierod

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  @dc42 thanks for the reply, I now have a starting point. I’m sure I’ll have more questions on this but not until I’ve gone further with development thanks again Rod
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  7.5 Fuse keeps blowing with nothing connected.
  • PrincessAlbert

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  @princessalbert, I am sorry that your Duet seems to have failed. I assume that you haven't mounted it so close to a conductive surface that some pins on the back of the Duet are contacting that surface. If it's a genuine Duet within the 6 month warranty period, ask your supplier to replace it.
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  Can not get past 183 deg on hot end
  • Dumbo

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  If it's an E3Dv6 hot end, check that you have assembled it correctly. There should be a gap of about 2mm between the top of the hearer block and the bottom fin of the heatsink.
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  PT1000 Duet Wifi - Resistor Swap
  • ka15574

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  IMO it's not worth doing. But if you do want to, then the simplest way is to solder a 3.9k resistor in top of the existing 4.7k one.
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  Pancake Stepper On Extruder Resonating.
  • CthulhuLabs

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  Looks like one of the reviewers on that site had a similar problem.
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  Internet with Raspberry Pi and Crossover Cable?
  • bugsysiegals

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  Yes, you can use the Pi as a router. I'm using something similar on my Duet Maestro and Pi: https://github.com/arpitjindal97/raspbian-recipes/blob/master/README.md https://github.com/arpitjindal97/raspbian-recipes/blob/master/wifi-to-eth-route.sh
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  Fried my ST3Di Modelsmart 280, Can I 'upgrade' to Duet?
  • Blacksheep99

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  Thanks dc42. I'll doo some reading then tomorrow as it seems I have a good way forward. I believe the printer hardware is solid so a modern controller and access to the FW would give me a good machine for the next few years. I'm sure to ask more questions, great community support here.
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  Duet2 Wifi E0 stopped working
  • DennisHall

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  @dennishall said in Duet2 Wifi E0 stopped working: As I purchased this through Spool3D Canada on April 09, 2019, do I contact them for a replacement? Yes.
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  Short-to-ground on drivers - Please help
  • YanivK

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  It is "genuine UK-manufactured" got it from E3D Thanks you, Yaniv
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  Upgrading Nema17 motors
  • Stduplic

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  Thank You all... I have ordered them... now just to wait that they arrive and then some printing again 😊😊😊