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 <[email protected]>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" <[email protected]> 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 <[email protected]> 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 <[email protected] > > > >> 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 <[email protected]> > 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 <[email protected]> > >> 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 > >> >> > [email protected] > >> >> > http://lists.laptop.org/listinfo/health > >> >> > > >> >> > > >> >> _______________________________________________ > >> >> Health mailing list > >> >> [email protected] > >> >> http://lists.laptop.org/listinfo/health > >> > > >> > > >> _______________________________________________ > >> Health mailing list > >> [email protected] > >> http://lists.laptop.org/listinfo/health > >> > > _______________________________________________ > Health mailing list > [email protected] > http://lists.laptop.org/listinfo/health > >
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