Hi again,
see the new, separate thread for more USB-printer solutions :-)
A new thought: I got a VERY good suggestion for the problem of
FAT filesystems and file contents getting corrupted by those
power outages when the drivers restart the engines of the
trucks. You remember, I wondered whether running DOS in some
emulator in Windows or Linux would be better or worse, given
that those use other filesystems like NTFS or EXT3, not FAT.
The suggestion is A LOT easier: Buffer those 12 Volts before
you send them to the inverter! No more crashes, thus no more
worries which filesystem or operating system suffers most or
least from those crashes. I should have come up with THAT.
Given that the outages are very short, various solutions are
possible. Maybe even something trivial like charging a cap
from the 12V through a diode and connecting the inverter to
the cap instead of directly to the car battery. Or, for more
stability for longer interruptions, charging a small 12 Volts
battery, of course.
I assume the printers also need 230 Volts? If not, a solution
without the inverter might be possible. The Thin Client may
even work directly from 12 Volts, but this is out of specs.
Regards, Eric
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