https://wiki.barix.com/index.php?action=history&feed=atom&title=Barionet_RTC 2026-04-25T19:42:56Z Revision history for this page on the wiki MediaWiki 1.37.1 https://wiki.barix.com/index.php?title=Barionet_RTC&diff=866&oldid=prev 2009-04-20T01:11:55Z

<p>New page: == Barionet RTC == You can build your own ... or you can order it (special order, quantities apply). If you want to build your own, here&#039;s how. * get the DS1904, it is a Dallas Onewire ...</p> <p><b>New page</b></p><div>== Barionet RTC ==<br /> <br /> You can build your own ... or you can order it (special order, quantities apply).<br /> <br /> If you want to build your own, here's how.<br /> <br /> * get the DS1904, it is a Dallas Onewire &quot;Button&quot;, a realtime clock device with integrated battery<br /> * either connect it outside to the Barionet (standard onewire connection to J5, see the comments in the manual !<br /> * or add inside the case:<br /> ** you need to open the case<br /> ** you need to locate connector &quot;J1&quot;, which is a 4 pin jumper header.<br /> *** connect the &quot;signal&quot; of the RTC to pin 2 of J1 (which is the onewire interface, so you can measure 0Ohm resistance between this pin and the external onewire pin on J5)<br /> *** connect the &quot;ground&quot; of the RTC to pin 4 of J1 (which is logic ground, same as pin 14 of J6)<br /> <br /> The standard firmware automatically detects and supports the RTC.</div>

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