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    PCBs available - Duet3 6HC v1.01 / Exp. 3HC v1.0

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    • j2sundefined
      j2s
      last edited by

      Hello, I have
      a) Duet3 Mainboard 6HC v1.01 and
      b) Duet3 Expansion 3HC v1.0
      pcbs available.

      Let me know if someone is interested.

      Details:
      Surface Finish : HASL Lead Free
      Solder Mask : Blue / Blue
      Finished Copper : 1oz Cu/ 2
      Material : FR-4 Kingboard tg130

      MB: 32 USD or 27 eur
      Expansion board: 29.5 USD or 25 eur

      • Shipping

      Jan

      j2sundefined 1 Reply Last reply Reply Quote 0
      • j2sundefined
        j2s @j2s
        last edited by

        @j2s DSC_7428a.JPG

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        • o_lampeundefined
          o_lampe
          last edited by o_lampe

          Hi,
          don't wanna rain on your parade, but naked PCBs without paste-mask are hard to populate.
          So everyone interested would have to buy one, which adds to the bill. (without ordering the PCB from the same shop)
          Not to mention the prices for parts, when ordering small amounts.
          A group buy would be interesting, if someone would be able to populate and reflow them? But then there's the question about warranty....

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          • j2sundefined
            j2s @o_lampe
            last edited by

            @o_lampe I like opensource, because it brings so many questions which finally moves things forward.
            Everyone likes opportunity...

            Believe or not, people in a lab I work can populate similar things without reflow or paste mask. Yes one board takes one day... but the costs can worth for me and others.

            Regarding BOM, one piece is not 100% efficient, but there is a lot of space in the original's cost for such inefficiency. Two boards are a lot better and three are 90% efficiency of 10.

            I am unsure if it is fair to share my BOM here. This is opensource project (thank you!) but I have respect for authors and they need our support not concurrence. So no clones, no parallel kickstart actions... BOM costs and manufacturing costs are questionable.

            I will have BOM costs done in a month or two (I have other priorities). Then I can share some numbers.

            Now I hope others could share my passion.

            Jan

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            • o_lampeundefined
              o_lampe @j2s
              last edited by

              @j2s said in PCBs available - Duet3 6HC v1.01 / Exp. 3HC v1.0:

              Believe or not, people in a lab I work can populate similar things without reflow or paste mask. Yes one board takes one day

              I've done that in the past myself, but we had a vapor phase oven and a manual pick and place machine. But I can't imagine populating a bord without having solder paste applied (with a paste mask)
              Trying to place a 0401 capacitor with plyers ends up in crawling under the desk and trying to find the lost components 😉

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