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List: olpc-devel
Subject: Re: [Health] $30 microscope
From: Cherry Withers <cwithers () ekindling ! org>
Date: 2011-02-19 3:10:11
Message-ID: AANLkTikVpzWiNoHr59rg9L7j0psjBuZ71Rj6GkkQYTE_ () mail ! gmail ! com
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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@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@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@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@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@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@lists.laptop.org
> > > > > http://lists.laptop.org/listinfo/health
> > > > >
> > > > >
> > > > _______________________________________________
> > > > Health mailing list
> > > > Health@lists.laptop.org
> > > > http://lists.laptop.org/listinfo/health
> > >
> > >
> > _______________________________________________
> > Health mailing list
> > Health@lists.laptop.org
> > http://lists.laptop.org/listinfo/health
> >
[Attachment #5 (text/html)]
<p>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. </p>
<p>Cheers,<br>
Cherry<br>
</p>
<div class="gmail_quote">On Jan 20, 2011 3:20 PM, "Kevin Gordon" <<a \
href="mailto:kgordon420@gmail.com">kgordon420@gmail.com</a>> wrote:<br \
type="attribution">> Folks:<br>> <br>> We've been able to get the Veho \
USB 400x 1.3Mp/2.0Mp interpolated to work<br> > on the XO 1 and XO 1.5 under \
10.1.3 with 'Cheese'. However, with this high<br>> resolution webcam, you \
just need to make sure it attaches itself to the USB<br>> 2.0 bus. If for some \
reason it comes up and attaches to the 1.1 bus, one<br> > gets get what looks like \
a 1970's color TV test pattern when starting the<br>> camera \
software..<br>> <br>> I can't speak to the specifics of the DIgiMicro; we \
bought a bunch of<br>> different microscope samples from various HK based ebay \
vendors before<br> > standardizing on the Veho. It is fully uvc compliant and \
also works on<br>> Ubuntu, Windows and the Mac. On Ubuntu, we use guvcview to \
control it. Due<br>> to the fact we needed to support multi-continent \
co-curricula, we needed one<br> > that ran everywhere on everything. It can cost \
between $40 and $75 from<br>> ebay depending on the day of the week, it seems. Be \
careful, the one one<br>> wants is the '004' product not the '001' \
or '004'.<br> > <br>> On the XO, Mikus Grinbergs has since done some \
magic for us to get guvcview<br>> to load on the XO, since guvcview only has an \
Fc12, 686 RPM. It gets more<br>> complicated since some of the dependencies for \
guvcview need the FC12/686<br> > rpm versions which one has to go out and find \
manually, while other<br>> dependencies need the FC11/586 standard repo versions. \
For us, we are still<br>> in the process of bullet-proofing this so young users \
can mod their 10.1.3<br> > box to install guvcview. guvcview has way more \
user-definable parameters<br>> than does Cheese.<br>> <br>> So, for \
simplicity, one can just install Cheese for now. It works from<br>> Sugar if \
called from the terminal prompt. It wont run properly as root,<br> > just stay as \
default OLPC user., dont know why, dont really care. Personally<br>> I run as \
little as possible as root. A bunch of weird messages come up<br>> once invoked \
from Sugar, but it does eventually come up. It will flash the<br> > built-in cafe \
camera light then proceed over to the USB camera. You can<br>> edit the \
preferences in Cheese to default to the USB camera. If the USB<br>> camera isnt \
seen in teh camera device drop-down, then for some reason it<br> > isn't being \
handled properly at the driver level. In terminal, check the<br>> output of the \
lsusb command, the camera should be seen there with a nice<br>> description and \
USB vendor./eqpt number. Once you are doen in cheese on the<br> > the sugar side, \
unfortunately you have to stop it 'inelegantly'' as it has<br>> no \
sugar activity button. You can use the ctrl-q, or function key back to<br>> the \
activity wheel and kill it from there. However, this seems to leave a<br> > \
little stub up and running, so you may have to reboot to get it going again.<br>> \
<br>> On the other hand the successful yum install of cheese puts itself \
nicely<br>> into the graphics submenu on the Gnome side, and behaves nicely there. \
You<br> > can then save your microscope photos ot the fiel system (preferably on \
an<br>> external SD card or a USB stick, then look at the photos from the \
Sugar<br>> side. Just remember INSTALL it as root, but run it as the normal \
default<br> > user.<br>> <br>> Summary. USB uvc compliant webcams \
(microscopes) should just plug in and be<br>> seen by both the XO 1.0 and XO 1.5. \
Then yum install cheese, and use the<br>> Gnome side to do any \
'photos'.<br> > <br>> All caveats with respect to the snails-pace of \
the yum install are still in<br>> effect ont the 1.0, we do a yum install \
downloadonly to a stick on a 1.5<br>> (which does yum nicely), then yum \
localinstall from the stick to all the XO<br> > 1.0's to eliminate those \
install hanging and memory full issues. As an<br>> added benefit, Cheese has no \
other dependencies when installed to 10.1.3.<br>> <br>> For those who saw our \
little tech-geek table at the SF summit, this is<br> > exactly what we were \
demoing on the 1.5. Daniel Drake and Paul Fox have<br>> since done yeomen effort \
to bring the uvc, sisusb, and ldusb drivers all<br>> back into sync on the \
1.0's and 1.5s at 10.1.3 . Have fun, it really is<br> > cool stuff.<br>> \
<br>> KG<br>> <br>> O n Thu, Jan 20, 2011 at 5:45 PM, Mike Lee <<a \
href="mailto:curiouslee@gmail.com">curiouslee@gmail.com</a>> wrote:<br>> \
<br>>> [Copying everyone.]<br>>><br> >> I haven't tried this \
with the new 10.1.3. But before that, it didn't<br>>> work on the XO-1 \
without having to get into kernal hacking. Paul Fox<br>>> confirmed that they \
are looking into adding support. I don't know if<br> >> they \
have.<br>>><br>>> I bought my Digimicro from DealExtreme for $31.10. The \
catch is they<br>>> ship from Hong Kong (as I recall). It took 3-4 weeks to get \
the<br>>> 'scope.<br>>><br> >><br>>> <a \
href="http://www.dealextreme.com/details.dx/sku.11743">http://www.dealextreme.com/details.dx/sku.11743</a><br>>><br>>><br>>> \
Mike<br>>><br>>><br>>><br>>> On Thu, Jan 20, 2011 at 3:03 PM, \
Cherry Withers <<a \
href="mailto:cwithers@ekindling.org">cwithers@ekindling.org</a>><br> >> \
wrote:<br>>> > Mike,<br>>> ><br>>> > I just ordered mine \
from Amazon. But we were discussing this on our<br>>> > Squeakland meeting \
today<br>>> > and wondering if you've tried this on the XO 1.0 as well \
and if you've<br> >> tried<br>>> > other brands?<br>>> > \
The Digimicro is hovering around $37-$45 at Amazon (without shipping and<br>>> \
> tax). Where have you found<br>>> > them for $30?<br>>> ><br> \
>> > Thank you for your help!<br>>> > --Cherry<br>>> \
><br>>> > On Thu, Nov 18, 2010 at 8:14 PM, Mike Lee <<a \
href="mailto:curiouslee@gmail.com">curiouslee@gmail.com</a>> wrote:<br> >> \
>><br>>> >> Hi all,<br>>> >><br>>> >> I \
ordered this Digimicro 1.3mp USB microscope and it arrived from<br>>> >> \
China today. I was able to pretty easily get it running on an XO-1.5<br> >> \
>> in Gnome. Photos and details here:<br>>> >><br>>> >> \
<a href="http://www.flickr.com/photos/curiouslee/5188951606/in/photostream/">http://www.flickr.com/photos/curiouslee/5188951606/in/photostream/</a><br>
>> >> <a \
href="http://www.flickr.com/photos/curiouslee/5188951710/in/photostream/">http://www.flickr.com/photos/curiouslee/5188951710/in/photostream/</a><br>>> \
>><br>>> >> Here's the reference I used for the \
installation:<br> >> >><br>>> >><br>>> <a \
href="http://www.stealthcopter.com/blog/2010/03/digimicro-200x-zooming-usb-digital-mic \
roscope-in-ubuntu-linux/">http://www.stealthcopter.com/blog/2010/03/digimicro-200x-zooming-usb-digital-microscope-in-ubuntu-linux/</a><br>
>> >><br>>> >> Mike<br>>> >><br>>> \
>><br>>> >><br>>> >> On Sat, Oct 16, 2010 at 10:49 AM, \
Beth Santos <<a href="mailto:beth@waveplace.org">beth@waveplace.org</a>><br> \
>> wrote:<br>>> >> > Interesting microscope I found via Woot! \
today:<br>>> >> ><br>>> >> ><br>>> >> \
><br>>> <a href="http://www.suntekstore.com/1-3-mega-pixel-led-usb-digital-mi \
croscope-video-camera-10x__-230x-.html?&utm_source=woot&utm_medium=paid&ut \
m_content=deals&utm_campaign=s0003">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</a><br>
>> >> ><br>>> >> > For less than a solar panel you \
could be sending one or more of these<br>>> >> > out<br>>> \
>> > with every deployment...<br>>> >> ><br> >> \
>> > Beth<br>>> >> ><br>>> >> > \
---<br>>> >> > Beth Santos<br>>> >> > Outreach \
Coordinator<br>>> >> > Waveplace Foundation<br>>> >> \
><br> >> >> > Tel: +1 610 797 3100 x 44<br>>> >> > \
Fax: +1 610 797 3199<br>>> >> > Cell: +1 603 661 1273<br>>> \
>> > <a href="http://www.waveplace.org">http://www.waveplace.org</a><br> \
>> >> > Waveplace on Facebook<br>>> >> > Twitter: \
@waveplace<br>>> >> ><br>>> >> > \
_______________________________________________<br>>> >> > Health \
mailing list<br> >> >> > <a \
href="mailto:Health@lists.laptop.org">Health@lists.laptop.org</a><br>>> \
>> > <a href="http://lists.laptop.org/listinfo/health">http://lists.laptop.org/listinfo/health</a><br>>> \
>> ><br> >> >> ><br>>> >> \
_______________________________________________<br>>> >> Health mailing \
list<br>>> >> <a \
href="mailto:Health@lists.laptop.org">Health@lists.laptop.org</a><br> >> \
>> <a href="http://lists.laptop.org/listinfo/health">http://lists.laptop.org/listinfo/health</a><br>>> \
><br>>> ><br>>> \
_______________________________________________<br>>> Health mailing list<br> \
>> <a href="mailto:Health@lists.laptop.org">Health@lists.laptop.org</a><br>>> \
<a href="http://lists.laptop.org/listinfo/health">http://lists.laptop.org/listinfo/health</a><br>>><br></div>
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