[Health] $30 microscope

Fri Mar 11 13:48:36 EST 2011

Neat.

Cell phone technology?

http://www.wired.com/wiredscience/2011/03/diy-cellphone-microscope/

---
*Beth Santos*
Outreach Coordinator
Waveplace Foundation

Tel: +1 610 797 3100 x 44
Fax: +1 610 797 3199
Cell: +1 603 661 1273
http://www.waveplace.org

Waveplace on Facebook<http://www.facebook.com/pages/Waveplace/270512992335?ref=ts>
Twitter: @waveplace <http://twitter.com/waveplace>

On Fri, Feb 18, 2011 at 10:10 PM, Cherry Withers <cwithers at ekindling.org>wrote:

> Finally got my Veho microscope in the mail today (had to cancel the
> Digimicro order). Followed Kevin's instructions and it just worked
> auto-magically. Thanks Kevin! So we are good to go for a microscope demo
> @Scale9x. No dice on the Intel play microscope but not giving up yet.
>
> Cheers,
> Cherry
>  On Jan 20, 2011 3:20 PM, "Kevin Gordon" <kgordon420 at gmail.com> wrote:
> > Folks:
> >
> > We've been able to get the Veho USB 400x 1.3Mp/2.0Mp interpolated to work
> > on the XO 1 and XO 1.5 under 10.1.3 with 'Cheese'. However, with this
> high
> > resolution webcam, you just need to make sure it attaches itself to the
> USB
> > 2.0 bus. If for some reason it comes up and attaches to the 1.1 bus, one
> > gets get what looks like a 1970's color TV test pattern when starting the
> > camera software..
> >
> > I can't speak to the specifics of the DIgiMicro; we bought a bunch of
> > different microscope samples from various HK based ebay vendors before
> > standardizing on the Veho. It is fully uvc compliant and also works on
> > Ubuntu, Windows and the Mac. On Ubuntu, we use guvcview to control it.
> Due
> > to the fact we needed to support multi-continent co-curricula, we needed
> one
> > that ran everywhere on everything. It can cost between $40 and $75 from
> > ebay depending on the day of the week, it seems. Be careful, the one one
> > wants is the '004' product not the '001' or '004'.
> >
> > On the XO, Mikus Grinbergs has since done some magic for us to get
> guvcview
> > to load on the XO, since guvcview only has an Fc12, 686 RPM. It gets more
> > complicated since some of the dependencies for guvcview need the FC12/686
> > rpm versions which one has to go out and find manually, while other
> > dependencies need the FC11/586 standard repo versions. For us, we are
> still
> > in the process of bullet-proofing this so young users can mod their
> 10.1.3
> > box to install guvcview. guvcview has way more user-definable parameters
> > than does Cheese.
> >
> > So, for simplicity, one can just install Cheese for now. It works from
> > Sugar if called from the terminal prompt. It wont run properly as root,
> > just stay as default OLPC user., dont know why, dont really care.
> Personally
> > I run as little as possible as root. A bunch of weird messages come up
> > once invoked from Sugar, but it does eventually come up. It will flash
> the
> > built-in cafe camera light then proceed over to the USB camera. You can
> > edit the preferences in Cheese to default to the USB camera. If the USB
> > camera isnt seen in teh camera device drop-down, then for some reason it
> > isn't being handled properly at the driver level. In terminal, check the
> > output of the lsusb command, the camera should be seen there with a nice
> > description and USB vendor./eqpt number. Once you are doen in cheese on
> the
> > the sugar side, unfortunately you have to stop it 'inelegantly'' as it
> has
> > no sugar activity button. You can use the ctrl-q, or function key back to
> > the activity wheel and kill it from there. However, this seems to leave a
> > little stub up and running, so you may have to reboot to get it going
> again.
> >
> > On the other hand the successful yum install of cheese puts itself nicely
> > into the graphics submenu on the Gnome side, and behaves nicely there.
> You
> > can then save your microscope photos ot the fiel system (preferably on an
> > external SD card or a USB stick, then look at the photos from the Sugar
> > side. Just remember INSTALL it as root, but run it as the normal default
> > user.
> >
> > Summary. USB uvc compliant webcams (microscopes) should just plug in and
> be
> > seen by both the XO 1.0 and XO 1.5. Then yum install cheese, and use the
> > Gnome side to do any 'photos'.
> >
> > All caveats with respect to the snails-pace of the yum install are still
> in
> > effect ont the 1.0, we do a yum install downloadonly to a stick on a 1.5
> > (which does yum nicely), then yum localinstall from the stick to all the
> XO
> > 1.0's to eliminate those install hanging and memory full issues. As an
> > added benefit, Cheese has no other dependencies when installed to 10.1.3.
> >
> > For those who saw our little tech-geek table at the SF summit, this is
> > exactly what we were demoing on the 1.5. Daniel Drake and Paul Fox have
> > since done yeomen effort to bring the uvc, sisusb, and ldusb drivers all
> > back into sync on the 1.0's and 1.5s at 10.1.3 . Have fun, it really is
> > cool stuff.
> >
> > KG
> >
> > O n Thu, Jan 20, 2011 at 5:45 PM, Mike Lee <curiouslee at gmail.com> wrote:
> >
> >> [Copying everyone.]
> >>
> >> I haven't tried this with the new 10.1.3. But before that, it didn't
> >> work on the XO-1 without having to get into kernal hacking. Paul Fox
> >> confirmed that they are looking into adding support. I don't know if
> >> they have.
> >>
> >> I bought my Digimicro from DealExtreme for $31.10. The catch is they
> >> ship from Hong Kong (as I recall). It took 3-4 weeks to get the
> >> 'scope.
> >>
> >>
> >> http://www.dealextreme.com/details.dx/sku.11743
> >>
> >>
> >> Mike
> >>
> >>
> >>
> >> On Thu, Jan 20, 2011 at 3:03 PM, Cherry Withers <cwithers at ekindling.org
> >
> >> wrote:
> >> > Mike,
> >> >
> >> > I just ordered mine from Amazon. But we were discussing this on our
> >> > Squeakland meeting today
> >> > and wondering if you've tried this on the XO 1.0 as well and if you've
> >> tried
> >> > other brands?
> >> > The Digimicro is hovering around $37-$45 at Amazon (without shipping
> and
> >> > tax). Where have you found
> >> > them for $30?
> >> >
> >> > Thank you for your help!
> >> > --Cherry
> >> >
> >> > On Thu, Nov 18, 2010 at 8:14 PM, Mike Lee <curiouslee at gmail.com>
> wrote:
> >> >>
> >> >> Hi all,
> >> >>
> >> >> I ordered this Digimicro 1.3mp USB microscope and it arrived from
> >> >> China today. I was able to pretty easily get it running on an XO-1.5
> >> >> in Gnome. Photos and details here:
> >> >>
> >> >> http://www.flickr.com/photos/curiouslee/5188951606/in/photostream/
> >> >> http://www.flickr.com/photos/curiouslee/5188951710/in/photostream/
> >> >>
> >> >> Here's the reference I used for the installation:
> >> >>
> >> >>
> >>
> http://www.stealthcopter.com/blog/2010/03/digimicro-200x-zooming-usb-digital-microscope-in-ubuntu-linux/
> >> >>
> >> >> Mike
> >> >>
> >> >>
> >> >>
> >> >> On Sat, Oct 16, 2010 at 10:49 AM, Beth Santos <beth at waveplace.org>
> >> wrote:
> >> >> > Interesting microscope I found via Woot! today:
> >> >> >
> >> >> >
> >> >> >
> >>
> http://www.suntekstore.com/1-3-mega-pixel-led-usb-digital-microscope-video-camera-10x__-230x-.html?&utm_source=woot&utm_medium=paid&utm_content=deals&utm_campaign=s0003
> >> >> >
> >> >> > For less than a solar panel you could be sending one or more of
> these
> >> >> > out
> >> >> > with every deployment...
> >> >> >
> >> >> > Beth
> >> >> >
> >> >> > ---
> >> >> > Beth Santos
> >> >> > Outreach Coordinator
> >> >> > Waveplace Foundation
> >> >> >
> >> >> > Tel: +1 610 797 3100 x 44
> >> >> > Fax: +1 610 797 3199
> >> >> > Cell: +1 603 661 1273
> >> >> > http://www.waveplace.org
> >> >> > Waveplace on Facebook
> >> >> > Twitter: @waveplace
> >> >> >
> >> >> > _______________________________________________
> >> >> > Health mailing list
> >> >> > Health at lists.laptop.org
> >> >> > http://lists.laptop.org/listinfo/health
> >> >> >
> >> >> >
> >> >> _______________________________________________
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> >> >
> >> >
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