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  1. Thread: OSEL iCCR

    by plazma
    Replies
    73
    Views
    65,572

    Here is the prEN14143:2010 version which is quite...

    Here is the prEN14143:2010 version which is quite close to the latest official version:
    http://diyrebreathers.com/data/uploads/documents/en-14143_pr2010.pdf

    And the old 2003 version:...
  2. Replies
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    43,557

    You can coat the part with UV blocking PU topcoat...

    You can coat the part with UV blocking PU topcoat if it's a consern.
  3. Thread: OSEL iCCR

    by plazma
    Replies
    73
    Views
    65,572

    It's the way CE tests are defined. It only...

    It's the way CE tests are defined. It only calculates the surface area inside the "Lissajous" curve. It doesn't calculate negative pressure to WOB. There are only limits for hydrostatic imbalance...
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    19
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    43,557

    Resurrecting old thread. Anyone printed a case...

    Resurrecting old thread. Anyone printed a case with these new cheap MSLA resing printers?
    I had an Elegoo Mars and sold it away to make room for Elegoo Saturn. Mostly print to my work place.
  5. Thread: OSEL iCCR

    by plazma
    Replies
    73
    Views
    65,572

    There was already talk back then it required...

    There was already talk back then it required slightly heads up trim. Diving vertical causes higher negative pressure to diver lungs.
    But that is also problem for other BM counter lungs units. It...
  6. Thread: OSEL iCCR

    by plazma
    Replies
    73
    Views
    65,572

    I'm also a member in that group. I suggested to a...

    I'm also a member in that group. I suggested to a friend to buy a second hand O2 Apoc for cheap parts. I really like the BOV, improved P-connectors and O2 feed button. Albov is quite compact when you...
  7. Thread: OSEL iCCR

    by plazma
    Replies
    73
    Views
    65,572

    I got the O2 version. It was well worth the money...

    I got the O2 version. It was well worth the money for parts. Stripped for DIY units.
  8. Replies
    51
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    12,306

    Google Family link on Android (for kind under 13...

    Google Family link on Android (for kind under 13 only) and Micro$oft family account on Windows 10.
  9. Replies
    37
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    21,431

    Wasn't there a recent study saying something like...

    Wasn't there a recent study saying something like deco algorithms being not conservative enough for deep dives. But because of helium penalty it is about right. The correct way would be to reduce...
  10. Replies
    3
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    11,553

    They even changed the name to CCR CustomBuilders....

    They even changed the name to CCR CustomBuilders. The old name was too attractive to house builders :)
  11. Replies
    4
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    2,050

    I could do the opposite. Never used the know...

    I could do the opposite. Never used the know after service. The other lever is used every dive.
  12. Replies
    57
    Views
    19,099

    Rebreather controller / dive computer development...

    Rebreather controller / dive computer development kit
    http://i.imgur.com/KtWapFx.jpg

    Sensors and CAN still unconnected.
  13. Replies
    57
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    19,099

    Well.... let see if some kind of group buy and...

    Well.... let see if some kind of group buy and open source project is possible after I have finished this.
  14. Replies
    57
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    19,099

    It was easy. No BGA chips :)

    It was easy. No BGA chips :)
  15. Replies
    57
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    19,099

    Copied from FB: The RGB led was a good selection....

    Copied from FB: The RGB led was a good selection. https://www.digikey.com/products/en?keywords=CLX6F-FKC-CNP1ST1E1BB7D3D3CT-ND
    Good build in diffuser. Yellow was good. Other combined colors like...
  16. Replies
    57
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    19,099

    The display is from an old Nokia phone. They are...

    The display is from an old Nokia phone. They are not manufactured anymore so they are only good for few units. If I would need to make many of these I would change to some TFT IPS model from...
  17. Replies
    57
    Views
    19,099

    The PCB was made at the University proto PCB lab....

    The PCB was made at the University proto PCB lab. I soldered the components by hand with a fine tipped soldering iron and hot air. I was going to order the PCBs from China (PCBway or AllPCB) but got...
  18. Replies
    57
    Views
    19,099

    How about a DIY NERD style display. This is a...

    How about a DIY NERD style display. This is a display manufactured by Kopin. The optics are Chinese and not so great. I have to ask an optical designer friend for better optics. The resolution is the...
  19. Replies
    57
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    19,099

    The schematic and layout was made with Altium...

    The schematic and layout was made with Altium Circuit Studio. It is a very good EDA package for the price (less than 500€).
  20. Replies
    57
    Views
    19,099

    I was thinking of making an ambient pressure...

    I was thinking of making an ambient pressure housing but the prototype will be atmospheric. The ambient pressure housing requires an OLED display. My guess is a TFT screen will get visible artifacts...
  21. Replies
    57
    Views
    19,099

    Hardwired for rebreather. Bluetooth linked for...

    Hardwired for rebreather. Bluetooth linked for the standalone unit.

    The case will be milled out of POM. The screen is cut out of scratch resistant PC (Margard).

    It is powered by any AA sized...
  22. Replies
    57
    Views
    19,099

    Interesting projects. I recently started my own...

    Interesting projects. I recently started my own dive computer/rebreather controller project.
    I got the PCB assembled few days ago. One memory chip is missing because the BOM import to Digikey...
  23. Even better... pressurise the suit and spray...

    Even better... pressurise the suit and spray soapy water on the suit. White soap foam will form at the leaks. Mark the leaks and dry the suit.
    Small leaks can be fixed by applying a mix of Cotol...
  24. Replies
    21
    Views
    3,383

    You can always make a DIY analyser....

    You can always make a DIY analyser.
    http://plazma.kapsi.fi/diy/po2_analyzer/o2_analyzer.jpg
  25. Replies
    17
    Views
    6,880

    http://youtu.be/Bt9zSfinwFA

    http://youtu.be/Bt9zSfinwFA
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