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<blockquote data-quote="myscha" data-source="post: 1136337" data-attributes="member: 74181">The attached picture shows my current development playground, so don't look too close at it ;-).As I started this project, I had a mainboard with a really bad clock (RTC) and therefore wanted to implement a better one inside this device. To not loose the time on a power blackout I wanted to have the whole thing battery buffered. In the meantime I have a new board with a much better RTC and I don't need some of the integrated hardware any more. Especially the battery backup is obsolete as the mainboard time is still correct after a couple of weeks without adjusting it.At the moment my implementation would likely consist of a <a href="http://leaflabs.com/docs/hardware/maple-mini.html" target="_blank">Leaflabs Maple Mini</a> (design files on <a href="https://github.com/leaflabs/maplemini" target="_blank">GitHub</a>) and another board that could be stacked onto the Maple Mini and contains the additional hardware parts. Clones of the Maple Mini are available on Aliexpress for some $/€ and the addon board including the components would cost some more bucks. If it's built up with THT parts, people can even solder it themselves at home.Depending on the feedback even more features could be implemented...</blockquote>

[QUOTE="myscha, post: 1136337, member: 74181"] The attached picture shows my current development playground, so don't look too close at it ;-). As I started this project, I had a mainboard with a really bad clock (RTC) and therefore wanted to implement a better one inside this device. To not loose the time on a power blackout I wanted to have the whole thing battery buffered. In the meantime I have a new board with a much better RTC and I don't need some of the integrated hardware any more. Especially the battery backup is obsolete as the mainboard time is still correct after a couple of weeks without adjusting it. At the moment my implementation would likely consist of a [URL='http://leaflabs.com/docs/hardware/maple-mini.html']Leaflabs Maple Mini[/URL] (design files on [URL='https://github.com/leaflabs/maplemini']GitHub[/URL]) and another board that could be stacked onto the Maple Mini and contains the additional hardware parts. Clones of the Maple Mini are available on Aliexpress for some $/€ and the addon board including the components would cost some more bucks. If it's built up with THT parts, people can even solder it themselves at home. Depending on the feedback even more features could be implemented... [/QUOTE]

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