dhis2-users team mailing list archive

["alvin.marcelo" <alvin.marcelo@xxxxxxxxx>]

Mark,

This is interesting. Would the pi work on usb broadband dongles?


Sent from my iPad

On Oct 14, 2012, at 13:13, Knut Staring <knutst@xxxxxxxxx> wrote:

> 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 <mhspohr@xxxxxxxxx> 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
>> mhspohr@xxxxxxxxx
>> +1 530 554 2230
>> 
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> 
> 
> 
> -- 
> Knut Staring
> Dept. of Informatics, University of Oslo
> +4791880522
> http://dhis2.org
> 
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