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Groups > sci.electronics.components > #6240
| Subject | Re: I2C relay boards. |
|---|---|
| Newsgroups | sci.electronics.design, sci.electronics.components |
| References | <osrahf$b84$1@reader2.panix.com> |
| From | Michael A Terrell <mike.terrell@earthlink.net> |
| Message-ID | <mHiIB.135809$sb3.119385@fx33.iad> (permalink) |
| Organization | Newshosting.com - Highest quality at a great price! www.newshosting.com |
| Date | 2017-10-26 06:22 -0400 |
Cross-posted to 2 groups.
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.
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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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