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Maximum Number of Zones
#44
Congrats with this important step!

No, there is no need to connect GND next to N1. The circuit "starts" on the +5V, then via a resistor, the optocoupler led and the red external led it connects to pin N1..8. Then the shift register IC pulls the pin (N1..8) low which essentially is GND. So the led will turn on.

The secondary power supply can now be connected to GND and JDC-VCC. Don't forget to remove the jumper!
Once connected the relays should make the sound you are waiting for a long time :-)

--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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