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Flow Battery Research Collective

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  3. MyStat PCBs for free

MyStat PCBs for free

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  • sepiS sepi

    @czahl You can pretty easily get them on digikey or similar but there is this BGA micromodule that you have to solder in an oven I guess. The rest of the parts could potentially be soldered with a classical soldering iron if you have a steady hand. What's your equipment and experience with soldering?

    C Offline
    C Offline
    czahl
    wrote last edited by
    #5

    @sepi @danielfp248

    You can pretty easily get them on digikey or similar

    yeah, I usually order at RS; there will by some way to get them.

    What's your equipment and experience with soldering?

    I'm using an ERSA i-CON and Weller 1010 since "some" years. Soldering of small footprints will be done by soldering below a Bresser 3D Microscope. I do not have a reflow oven, so the BGA will be a challenge but should be possible with my hot-air soldering station as well.

    When you solder this by hand some pieces have really short contact points, so it is very hard to figure our where you have shorts.

    You are absolutely right you have to be very careful. But I also manged to turn the 0-ohm resistor on the ESP32-cam to use the external antenna.
    PXL_20250801_102725440b.jpg

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    • C czahl

      @sepi @danielfp248

      You can pretty easily get them on digikey or similar

      yeah, I usually order at RS; there will by some way to get them.

      What's your equipment and experience with soldering?

      I'm using an ERSA i-CON and Weller 1010 since "some" years. Soldering of small footprints will be done by soldering below a Bresser 3D Microscope. I do not have a reflow oven, so the BGA will be a challenge but should be possible with my hot-air soldering station as well.

      When you solder this by hand some pieces have really short contact points, so it is very hard to figure our where you have shorts.

      You are absolutely right you have to be very careful. But I also manged to turn the 0-ohm resistor on the ESP32-cam to use the external antenna.
      PXL_20250801_102725440b.jpg

      D Offline
      D Offline
      danielfp248
      wrote last edited by
      #6

      @czahl You are clearly way better at soldering than I am. I have a bunch of components for a previous mystat version plus the boards, I could send them your way if you're interested in them too. In any case, keep us posted on how it goes!

      C 1 Reply Last reply
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      • sepiS Offline
        sepiS Offline
        sepi
        wrote last edited by
        #7

        Now we only need a way to exchange private addresses. Any idea?

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        • D danielfp248

          @czahl You are clearly way better at soldering than I am. I have a bunch of components for a previous mystat version plus the boards, I could send them your way if you're interested in them too. In any case, keep us posted on how it goes!

          C Offline
          C Offline
          czahl
          wrote last edited by
          #8

          @danielfp248 @sepi oh damned, now I have awaken some expectations 😨

          @danielfp248 @kirk you as maintainer of this forum, any idea how to exchange PN or email addresses?

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          • sepiS Offline
            sepiS Offline
            sepi
            wrote last edited by sepi
            #9

            @czahl there is no failure possible from my point of view at least since I can't use the PCBs anyways :p.

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            • C czahl

              @danielfp248 @sepi oh damned, now I have awaken some expectations 😨

              @danielfp248 @kirk you as maintainer of this forum, any idea how to exchange PN or email addresses?

              D Offline
              D Offline
              danielfp248
              wrote last edited by
              #10

              @czahl @sepi I can view the emails you used to register, so I'll send you both an email so that we can exchange information. Let me know if you agree and I'll proceed.

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              • sepiS Offline
                sepiS Offline
                sepi
                wrote last edited by
                #11

                @danielfp248 you can! Is it not possible to enable the chat plugin in nodebb or some private chat plugin if that exists? I had one other situation like this already.

                kirkK 1 Reply Last reply
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                • sepiS sepi

                  @danielfp248 you can! Is it not possible to enable the chat plugin in nodebb or some private chat plugin if that exists? I had one other situation like this already.

                  kirkK Offline
                  kirkK Offline
                  kirk
                  wrote last edited by kirk
                  #12

                  @sepi @czahl @danielfp248 I have enabled the chat plugin just now! With min. user reputation of 2 to try to prevent spam.

                  Public and private chat groups/PMs now possible, though I don't think it's encrypted if that's a concern (we are hosted by NodeBB).

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                  • sepiS Offline
                    sepiS Offline
                    sepi
                    wrote last edited by
                    #13

                    I just sent out one PCB and Jack-Cable, let's hope this is the start of some material swapping. I was also thinking about buying 15m of Tygon Chemical Tubing at a european distributor (I got the wrong tubing twice on aliexpress) and then selling it in small quantities to the community. Anyone intersted

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                    • sepiS sepi

                      I just sent out one PCB and Jack-Cable, let's hope this is the start of some material swapping. I was also thinking about buying 15m of Tygon Chemical Tubing at a european distributor (I got the wrong tubing twice on aliexpress) and then selling it in small quantities to the community. Anyone intersted

                      D Offline
                      D Offline
                      doho
                      wrote last edited by
                      #14

                      @sepi Hi, if you do the selling of the tube, I would order 2 (two) meters.

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