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I remember reading at one point that it was cheap to produce, with the laptop psu...

It irretated the hell out of me once I started hacking my UM, so I ended up switching to a 24V system with a rumba board instead.

I think it says 16-20V on the UM board somewhere... You can be dead certain to damage stuff (like the 12V regulator) if you just feed it 24V, but replacing that and maybe some other components, you might be able to make it work... Though I think switching to a 24V board all together is way easier...

 

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The easiest way would be to start using 24V is adding a 24V to 19V dc/dc converter. You still need to be careful then so that the 24V does not leak into the board when connecting thing to the board.

 

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