Re: [gaia] affordable microgeneration

See solarspell.org


On Tue, 18 Sep 2018, 16:56 Arjuna Sathiaseelan, <
arjuna.sathiaseelan@cl.cam.ac.uk> wrote:

> Bruce from Inveneo set me this email few years ago - which will be
> extremely useful - maybe Bruce has more info on energy alternatives
>
>
> Arjuna
>
> Just an FYI - I am mentoring a group at CalPoly that is working on an
> offline solar powered digital micro-library.  They will be distributing 50
> of these to schools in remote pacific islands of Micronesia and Vanuatu
> this summer.  See attached.  It is based on Rachel & a raspberry pi clone
> called "Banana Pi".
>
> Also I have two interns from San Francisco State University (SFSU) working
> on evaluations of low cost micro-server digital content solutions called
> the "Micro Digital Library Evaluation Project Intern Program in Conjunction
> with SFSU"
> In developing regions of the world, books are expensive to purchase and
> Internet- based material costly to download. As more computer devices make
> their way into these regions, such as low cost tablets and smartphones, a
> new approach is offline whereby; preloaded “micro-servers” i.e. Raspberry
> Pi, are providing this access to digital books and downloaded Internet
> content.
> With one of these micro content servers and a few tablets, a rural school
> in a developing region can now have a very affordable digital library. The
> software and content are free to use, in most cases, but schools and
> teachers are asking the question: what, which is the right solution to use?
> This proposed project is to test four or five of these micro- server
> content solutions for ease of use, compatibility with specific type of
> devices, ease of adding new content, and supportability in developing
> regions.
> The targeted short list of micro server content solutions are:
> 1. Rachel Pi - http://www.rachel.worldpossible.org/
> 2. WiderNet - http://www.widernet.org/
> 3. Internet- in- a- Box - http://internet-in-a-box.org/
> 4. Library For All - https://www.libraryforall.org/
> 5. OuterNet - https://www.outernet.is/en/
> 6.  http://librarybox.us/
> 7. http://www.col.org/progServ/programmes/KM/Pages/Aptus.aspx
> 8. http://ole.org/learning-toolkit/
>
> Each would be set up to test:
> 1. Usability specific end user type devices a. Windows Laptop b. Android
> tablet c. Android Phone d. OLPC XO laptop e. Windows Tablet
> 2. Power usage a. Suitability for powering with a small solar panel b.
> Power usage at:i. Idle ii.Normal use iii. Multiple user video streaming
> 3. Ease of adding new content a. Web interface b. Command line c. Space
> management d. Videos
>
> I also attached an image of an solar powered laptop lab in a box.  These
> were used in Micronesia and the team at IIT is now working on a tablet
> version.
>
> best regards
> Bruce
>
>
>
>
>
>
>
> On 18 September 2018 at 09:47, Jon Crowcroft <Jon.Crowcroft@cl.cam.ac.uk>
> wrote:
>
>> was talking to someone who is deploying educational resources in
>> a country where many villages have zero electricity - we could
>> get them raspberry pi or other low cost computers for free
>> but these are totally useless without some power- a typical car
>> battery ight run a rspi for about 2 days, which isn't much good, and
>> solar panels are 10-100 times the cost of the computer itself
>>
>> has anyone surveyed affordable alternatives?
>> thanks
>> jon
>>
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>
>
>
> --
>
> Arjuna Sathiaseelan | http://sathiaseelan.org
>
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