Groups > sci.electronics.components > #6250

Re: I2C relay boards.

Subject	Re: I2C relay boards.
Newsgroups	sci.electronics.design, sci.electronics.components
References	(2 earlier) <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> <ot135b$9dt$2@reader2.panix.com>
From	Michael A Terrell <mike.terrell@earthlink.net>
Message-ID	<OdZIB.10964$gV2.592@fx29.iad> (permalink)
Organization	Newshosting.com - Highest quality at a great price! www.newshosting.com
Date	2017-10-28 06:46 -0400

Cross-posted to 2 groups.

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David Lesher wrote:
> 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.

Yes, ribbon cable. Peel off as many conductors as you need. The color 
code repeats every ten conductors.

T1-3X-40pcs-20cm-Male-To-Male-Female-Dupont-Wire-Jumper-Cable-Arduino-Breadboard

https://www.ebay.com/itm/231708399395

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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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