Thanks for this summary, Mark, very interesting. I assume our typical setup of getting mobile internet through a USB dongle would work well.
I wonder about options for power supply and inexpensive monitors (which also requires a power supply. Not sure why they say "None of the browsers for Raspbian “wheezy” support HTML5", since you had no problem running Chrome. http://www.raspberrypi.org/quick-start-guide Knut On Sun, Oct 14, 2012 at 1:02 AM, Mark Spohr <mhsp...@gmail.com> wrote: > I just thought you might be interested in the results of my tests of > the Raspberry Pi computer for DHIS. > It works great! > I used the current recommended software (Raspbian Wheezy) and > installed the Chrome browser (apt-get install chromium-browser). > I used the DHIS2.org Demo site (Sierra Leone data). > The site loads quickly, data entry and validation are fast. Reports > run well and are displayed properly. > I also tested offline data entry which works great. I disconnected > the network and it went into offline mode; I entered some data then > reconnected the network; it then told me I was back online and there > was data to upload. I clicked upload and all was good. > > In a way, this doesn't surprise me since DHIS is designed to do most > of the work on the server and has very lightweight requirements for > the browser, client computer and network. Good to see that this all > works very well in practice. > > The Raspberry Pi is a small (credit card sized) computer based on a > Broadcom ARM chip. It's similar to most tablets and smartphones. It > costs just $35.00. You need to add a keyboard and mouse plus a > monitor (HDMI or composite video). It uses an SD card for program and > data storage (you can also add USB memory). > > This would make an ideal low cost computer for data entry. It has > very low power requirements (about 3 watts). > Since it's Linux, you don't have to worry about malware. This is a > great dedicated data entry terminal. > > The supply of these has been tight since they were released earlier > this year but supply seems to have caught up with demand recently and > they are available from distributors. > See their web site for more information: www.raspberrypi.org > > This computer works great for DHIS but is slow with complex web sites > (gmail does work but is very slow). > It does do a good job with video since it has a nice graphics processor. > > Anyway, nice to see there is a good inexpensive option for running DHIS! > > Kind regards, > Mark > > -- > Mark Spohr, MD > mhsp...@gmail.com > +1 530 554 2230 > > _______________________________________________ > Mailing list: https://launchpad.net/~dhis2-users > Post to : dhis2-users@lists.launchpad.net > Unsubscribe : https://launchpad.net/~dhis2-users > More help : https://help.launchpad.net/ListHelp -- Knut Staring Dept. of Informatics, University of Oslo +4791880522 http://dhis2.org _______________________________________________ Mailing list: https://launchpad.net/~dhis2-users Post to : dhis2-users@lists.launchpad.net Unsubscribe : https://launchpad.net/~dhis2-users More help : https://help.launchpad.net/ListHelp
