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  1. B

    8-channel relay case?

    What do others use as a case for their hobby-boards 8-channel relay? Anything you bought somewhere, or did you construct something yourself?
  2. B

    Measuring CO concentration?

    Did anyone (at hobbyboards or other) already design a CO concentration meter? (with 1-wire interface, of course). I'm interested in having and/or designing one.
  3. B

    1-wire patent has expired and DS2409

    It seems that the 1-wire patent by Dallas/Maxim has expired at November 5th, 2010. Does anyone know about any manufacturers that actually are producing/selling 1-wire products since then which was prohibited earlier by the patent? Specifically the DS2409 is a component which is near...
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