There's a GPIO you can read for undervoltage. 35 IIRC. > On Aug 25, 2016, at 7:35 AM, Nigel Titley <ni...@homechip.com> wrote: > > > >> On 25/08/16 15:27, Jan Kandziora wrote: >>> Am 25.08.2016 um 16:07 schrieb Nigel Titley: >>> >>>> On 25/08/16 13:47, Matthias Urlichs wrote: >>>>> On 25.08.2016 14:38, Nigel Titley wrote: >>>>> This is a possibility and it had crossed my mind that this might be the >>>>> issue but it doesn't explain why a subsequent attempt to start it from >>>>> the command line fails. >>>> I had that problem on one of my Raspberry Pi systems. >>>> >>>> The issue went away after I changed the power supply. >>>> >>> Hmm, that's an interesting approach. I can certainly try it, although >>> it's an official 2.5A Pi PSU >>> >> Check if you have the little colored square in the top right corner of >> the screen. That's what the GPU inescapably displays when it thinks the >> voltage isn't high enough or too unstable. Problem may be the cable, not >> the power supply itself. >> > It's running headless. I'll measure the voltage though and I've got > alternative known-good power supplies. > > Nigel > > ------------------------------------------------------------------------------ > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers
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