I have a pop-can shaped inverter that fits nicely in a cup holder. It's not so powerful it they causes problems with power draw. On really hot days, I plug a fan in so I can pretend I'm ok with not having air conditioning.
-wes On Tuesday, August 22, 2017, Tom <[email protected]> wrote: > I solved this kind of portability, and more, by purchasing an inverter. > I find that way more universal than trying to get stuff working on > battery power with unstable voltage. True 110V socket in the car is > awesome for road and marine trips. The size of the inverter is about > 15x20x5cm. > If you chose to go this route, I would advice to get true sine wave > inverter. It costs 2-3x more but it works way better than the square > and/or modified sine wave inverters. They (not the true sine wave one) > caused my power bricks + the inverter to overheat and it was bloody > noisy. You can draw max 15A out of lighter socket in the car so 120 > -150W inverter is all you can feed without wiring it directly to the > battery. I got it in Frys' after returning the cheaper modified sine > wave one. > Hope it helps, Tomas > On Sun, 2017-08-20 at 23:08 -0700, Michael Barnes wrote: > > Good to know. What would be really great is to find a similar printer > > that > > would run from 12VDC. I'd like to set up a completely portable fly > > -away > > package that ran from 12VDC to utilize battery/vehicle/solar power. > > > > Michael > > > > > > On Sun, Aug 20, 2017 at 7:35 PM, Dave <[email protected] <javascript:;>> > wrote: > > > > > http://lists.pdxlinux.org/pipermail/plug/2017-August/087027.html > > > > > > Here's a follow-up report: > > > > > > /I ordered an HP Deskjet 1112 from Amazon for this application. It > > > claims > > > // > > > //to have full support for Linux Debian (RPi?) and Mint via USB. > > > For $29 > > > it's // > > > //worth a try. If it works, it should be a perfect small addition > > > to a // > > > //stand-alone RPi student learning station.// > > > / > > > ------------------------------------------------------------------- > > > ----- > > > > > > Received the HP Deskjet 1112 and installed it first in Windows 7 to > > > make > > > sure it worked. Then installed it to a Raspberry Pi 3B. > > > > > > The software installation went mostly smoothly, carefully following > > > the > > > detailed instructions and accepting the defaults found at: > > > > > > http://hplipopensource.com/hplip-web/install/install/index.html > > > > > > They are close enough. (You do NOT have to worry about editing some > > > ??? > > > file mentioned. It's not on the RPi.) > > > > > > The only glitch was the install requires a root/superuser password. > > > If I > > > had one it apparently didn't like it so I added *sudo passwd root* > > > and > > > made "*root*" the password. That worked. In the future I'll do up > > > front > > > before beginning the software install to get it out of the way. > > > > > > I'm quite pleased with the results. For the price, it is a lot of > > > printer; quick, and excellent quality. But the HP software isn't > > > perfect. I can't get it to print the last page first despite a tab > > > to > > > that effect, and it doesn't print footers despite showing them on > > > the > > > screen. Since the printed text appears to be a little larger than > > > it > > > should that probably explains the missing footers. I may be doing > > > something wrong, but again, for $29, and having an easy RPi3 > > > Install, > > > this ain't bad. > > > > > > Will also be installing the 1112 to a Linux MINT machine just to > > > wring > > > it out some more and see what happens. Hope this helps someone. > > > > > > > > > _______________________________________________ > > > PLUG mailing list > > > [email protected] <javascript:;> > > > http://lists.pdxlinux.org/mailman/listinfo/plug > > > > > _______________________________________________ > > PLUG mailing list > > [email protected] <javascript:;> > > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ > PLUG mailing list > [email protected] <javascript:;> > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
