Groups > sci.electronics.components > #6249

Re: I2C relay boards.

From	David Lesher <wb8foz@panix.com>
Newsgroups	sci.electronics.design, sci.electronics.components
Subject	Re: I2C relay boards.
Date	2017-10-28 05:04 +0000
Organization	NRK Clinic for habitual NetNews Abusers - Beltway Annex
Message-ID	<ot135b$9dt$2@reader2.panix.com> (permalink)
References	(1 earlier) <mHiIB.135809$sb3.119385@fx33.iad> <ossvbe$10r$1@reader2.panix.com> <dOoIB.62603$4X4.49907@fx01.iad> <osvk7d$9n6$1@reader2.panix.com> <WFKIB.46124$K_2.4439@fx07.iad>

Cross-posted to 2 groups.

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Michael A Terrell <mike.terrell@earthlink.net> writes:


>    The split configuration would make it easier to repair, and the 
>control boards can be plugged end to end. You can eliminate the jumpers 
>on the headers with a drop of solder on the underside of the boards.

>    If a relay board or controller board fails, it will be much cheaper 
>to repair. You can buy ready made 40 conductor cables with single Dupont 
>contacts on Ebay to harness them together. I remove the single contact 
>shells and replace them with a single, with the proper number of 
>positions. That way, my projects look a lot neater than the typical wad 
>of individual wires.

40?

I need some 10 position one-row headers but will likely use
two-row 20's and ignore the other. I do plan to plug them end
to end but will need to hold them.  Thinking a slotted /______\
piece of soft plastic that in turn is mounted to the DIN rail.

-- 
A host is a host from coast to coast.................wb8foz@nrk.com
& no one will talk to a host that's close..........................
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433

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Thread

I2C relay boards. David Lesher <wb8foz@panix.com> - 2017-10-26 00:33 +0000
  Re: I2C relay boards. Michael A Terrell <mike.terrell@earthlink.net> - 2017-10-26 06:22 -0400
    Re: I2C relay boards. David Lesher <wb8foz@panix.com> - 2017-10-26 15:35 +0000
      Re: I2C relay boards. Michael A Terrell <mike.terrell@earthlink.net> - 2017-10-26 13:19 -0400
        Re: I2C relay boards. David Lesher <wb8foz@panix.com> - 2017-10-27 15:43 +0000
          Re: I2C relay boards. Michael A Terrell <mike.terrell@earthlink.net> - 2017-10-27 14:12 -0400
            Re: I2C relay boards. David Lesher <wb8foz@panix.com> - 2017-10-28 05:04 +0000
              Re: I2C relay boards. Michael A Terrell <mike.terrell@earthlink.net> - 2017-10-28 06:46 -0400
                Re: I2C relay boards. David Lesher <wb8foz@panix.com> - 2017-10-28 18:23 +0000
                Re: I2C relay boards. rickman <gnuarm@gmail.com> - 2017-10-28 14:27 -0400
                Re: I2C relay boards. David Lesher <wb8foz@panix.com> - 2017-10-28 18:38 +0000
                Re: I2C relay boards. rickman <gnuarm@gmail.com> - 2017-10-28 14:51 -0400
                Re: I2C relay boards. Michael A Terrell <mike.terrell@earthlink.net> - 2017-10-28 15:27 -0400
                Re: I2C relay boards. rickman <gnuarm@gmail.com> - 2017-10-28 17:01 -0400
                Re: I2C relay boards. Michael A Terrell <mike.terrell@earthlink.net> - 2017-10-28 23:43 -0400
      Re: I2C relay boards. rickman <gnuarm@gmail.com> - 2017-10-27 00:54 -0400
        Re: I2C relay boards. David Lesher <wb8foz@panix.com> - 2017-10-28 04:58 +0000

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