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Maximum Number of Zones
#7
My 2 cents if anyone is interested...

If 30 zones are needed I would go for a future proof and not so complex solution.  

That is in my opinion use
  • SIP as the main program. It is highly active from the view of development and forum use.
  • 74HC595 Shift Registers as described in the wiki. Even with basic soldering skills this is easy to do.
  • multiple, cheap and widely available 8 channel relay boards with optocouplers.
  • a simple 5v phone charger to power the relay boards to offload the PI (I do this already for many years)
If something goes defective than all component are easy and cheap to get. 

--Gerard
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Messages In This Thread
Maximum Number of Zones - by HereComesTheRain - 2020 May 28, 03:01 PM
RE: Maximum Number of Zones - by dan - 2020 May 28, 03:14 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2020 May 28, 03:43 PM
RE: Maximum Number of Zones - by dan - 2020 May 28, 05:40 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2020 May 28, 07:14 PM
RE: Maximum Number of Zones - by dan - 2020 May 28, 08:07 PM
RE: Maximum Number of Zones - by astrogerard - 2020 May 29, 04:16 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2020 May 29, 07:45 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2020 May 29, 09:42 PM
RE: Maximum Number of Zones - by astrogerard - 2020 Jun 04, 04:08 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2020 Jun 09, 04:38 PM
RE: Maximum Number of Zones - by astrogerard - 2020 Jun 09, 06:18 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2020 Jun 09, 08:03 PM
RE: Maximum Number of Zones - by dan - 2020 Jun 09, 09:46 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2020 Jun 09, 10:55 PM
RE: Maximum Number of Zones - by dan - 2020 May 30, 03:42 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 May 24, 01:10 AM
RE: Maximum Number of Zones - by dan - 2021 May 25, 04:00 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 May 25, 05:41 PM
RE: Maximum Number of Zones - by dan - 2021 May 26, 02:08 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 May 26, 04:02 PM
RE: Maximum Number of Zones - by dan - 2021 May 27, 12:13 AM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 06, 01:08 AM
RE: Maximum Number of Zones - by dan - 2021 Jun 06, 02:23 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 06, 04:28 PM
RE: Maximum Number of Zones - by dan - 2021 Jun 06, 04:52 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 06, 10:09 PM
RE: Maximum Number of Zones - by dan - 2021 Jun 13, 01:53 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 13, 07:59 PM
RE: Maximum Number of Zones - by dan - 2021 Jun 14, 01:11 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 18, 11:43 AM
RE: Maximum Number of Zones - by dan - 2021 Jun 18, 02:27 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 18, 02:47 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 18, 03:51 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 18, 08:36 PM
RE: Maximum Number of Zones - by dan - 2021 Jun 19, 01:20 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 20, 01:54 AM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 22, 02:18 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 22, 03:40 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 22, 04:56 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 22, 06:30 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 22, 07:49 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 22, 08:34 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 22, 08:45 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 22, 09:40 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 22, 10:10 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 22, 11:48 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 23, 07:31 AM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 24, 12:07 AM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 24, 06:55 AM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 24, 12:51 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 24, 06:24 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 24, 09:01 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 24, 09:58 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 24, 11:47 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 25, 09:49 AM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 25, 12:37 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 25, 01:13 PM
RE: Maximum Number of Zones - by dan - 2021 Jun 25, 01:26 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 25, 04:27 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 25, 06:57 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 25, 07:57 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 27, 01:19 PM
RE: Maximum Number of Zones - by dan - 2021 Jun 27, 03:12 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 27, 03:54 PM
RE: Maximum Number of Zones - by dan - 2021 Jun 27, 04:43 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 27, 05:02 PM
RE: Maximum Number of Zones - by dan - 2021 Jun 27, 06:21 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 27, 07:25 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 28, 12:22 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 28, 04:56 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 28, 06:05 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 28, 07:59 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 29, 12:09 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 29, 03:02 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jun 29, 07:59 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jun 29, 10:39 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jul 08, 09:24 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jul 08, 09:50 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jul 09, 08:54 PM
RE: Maximum Number of Zones - by HereComesTheRain - 2021 Jul 11, 02:11 AM
RE: Maximum Number of Zones - by astrogerard - 2021 Jul 11, 06:47 PM
RE: Maximum Number of Zones - by astrogerard - 2021 Jul 29, 07:54 PM

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