Duet3D wifi for 3D printing and laser cutting/engraving
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Hi. I'm from France and I can't buy the boards on EasyEDA (unavailable components). Have you got yet a board to sell ?
Mickael -
@noisettetbou said in Duet3D wifi for 3D printing and laser cutting/engraving:
Hi. I'm from France and I can't buy the boards on EasyEDA (unavailable components). Have you got yet a board to sell ?
MickaelThis thread is old but you should be able to select replacement components? Can probably use LCSC Part # C6765 for the main IC; didn't check the rest.
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@bearer OK for C6765 but almost all the component are unavaibles and i'm totally noob in PCB design
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@noisettetbou said in Duet3D wifi for 3D printing and laser cutting/engraving:
@bearer OK for C6765 but almost all the component are unavaibles and i'm totally noob in PCB design
Seems fine here; the 0603 cap is not recommended for new design but 19k in stock. The three through hole headers you'll have to assemble yourself anyway but are in stock when I checked.
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@noisettetbou
Looks like the BOM was wrong on the project, updated it now to remove the unnecessary components, and all seem to be in stock. -
@smoothquark Sorry for resurrecting this old thread. I bought a board from @keyz182 (thank you very much) but never got around to using it. I had been too busy with other things and left aside my Ox CNC and any thoughts of a laser attachment until recently. Getting back to it now, but I cannot remember how to connect the board. Do I just plug in the header to the expansion pins and ignore CN2 or do I have to use a separate 5V for the V_IN/GND on CN2? Also, my duet runs on 24V V_IN with 2 24V fans always on. So, I suppose the PWN Fans and Heater3 would be on 24V? Will this be a problem?
Thank you and apologies once again. -
@smoothquark V_IN on CN1 is just a direct connection to V_IN on CN2. My laser had 3 inputs, +V, PWM, GND. I added the V_IN passthrough so that I could just plug the three connections into one header, then pull in the 12v I need from elsewhere and just wire it to V_IN on CN2.
This shows what's going on - https://duet3d.dozuki.com/Wiki/Laser_PWM_control#Section_Preparation
Note - I haven't touched this since 2018, so I'm a little rusty
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@keyz182 Thank you. I am clearly very much a newbie in this! I think I understand it now. Assuming I am reading everything and looking at the diagram correctly...
- the H1 Duet Header on the board plugs in to the matching pins on the expansion port on the duet3d.
- The board does not require a V_IN as there is 5V from Pin 1 on the H1 header.
- PWM from CN1 goes to the laser driver (thinking of a NEJE https://neje.shop/collections/laser-module/products/neje-a40630-laser-engraver-cutter-module-kits-fac-7-5w-output) and there will be nothing on Pin 1 V_IN in CN1
- The NEJE laser would be powered by the 12V power supply that comes with the laser.
It will probably be a few weeks before the NEJE arrives. So, fingers crossed!
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@smoothquark If that module has +12, PWM, and GND, then yes. PWM (and GND) from CN1 to the module, then 12v from wherever (GND too - make sure GND from the supply and duet are linked, otherwise PWM would have no reference).
You can also plug in the 12v power to CN2, that just means you module only needs to be wired to one place - CN1, rather than PWM + GND going there, 12v going elsewhere, and splitting GND to bridge duet + PSU. V_IN goes from CN2 to CN1 but isn't connected to Duet, just a passthrough.
Electrically, there's no difference, just a matter of convenience.
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@keyz182 Thank you
