Groups > sci.electronics.components > #6240

Re: I2C relay boards.

Path	csiph.com!feeder.erje.net!1.eu.feeder.erje.net!weretis.net!feeder4.news.weretis.net!news.unit0.net!peer02.am4!peer.am4.highwinds-media.com!peer02.iad!feed-me.highwinds-media.com!news.highwinds-media.com!post02.iad!fx33.iad.POSTED!not-for-mail
Subject	Re: I2C relay boards.
Newsgroups	sci.electronics.design, sci.electronics.components
References	<osrahf$b84$1@reader2.panix.com>
From	Michael A Terrell <mike.terrell@earthlink.net>
User-Agent	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0 SeaMonkey/2.46
MIME-Version	1.0
In-Reply-To	<osrahf$b84$1@reader2.panix.com>
Content-Type	text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding	7bit
Lines	23
Message-ID	<mHiIB.135809$sb3.119385@fx33.iad> (permalink)
X-Complaints-To	abuse@newshosting.com
NNTP-Posting-Date	Thu, 26 Oct 2017 10:22:10 UTC
Organization	Newshosting.com - Highest quality at a great price! www.newshosting.com
Date	Thu, 26 Oct 2017 06:22:11 -0400
X-Received-Body-CRC	3593806095
X-Received-Bytes	1661
Xref	csiph.com sci.electronics.design:483014 sci.electronics.components:6240

Cross-posted to 2 groups.

Show key headers only | View raw

David Lesher wrote:
> I have need for a 8-16 channel I2C in, relay out expansion board.
> We're now using:
> <https://www.ereshop.com/shop/free/I2C-RL8xxM_SHEET.pdf>
> but the shipping is insane.
>
> So I'm seeking an alternative supplier. I figure one approach is
> to find a forum where Arduino users hang out, and ask there.
>
> Any suggestions for board suppliers or forums?

PCF8574-I2C-Bidirectional-I-O-Expander-Relay-Control-SmartHome-Ardiuno-Raspberry

https://www.ebay.com/itm/282692860765	US $2.90

Used with:

/8-Eight-Channel-5V-Relay-Module-Board-with-Optocoupler-Power-Supply-PIC-ARM

https://www.ebay.com/itm/322834065204	US $6.39


gives you eight relays for $9.29 plus some wires between the modules.

Back to sci.electronics.components | Previous | Next — Previous in thread | Next in thread | Find similar

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

csiph-web