On Fri, Mar 11, 2011 at 1:48 PM, Beth Santos <[email protected]> wrote: > Neat. > Cell phone technology? > http://www.wired.com/wiredscience/2011/03/diy-cellphone-microscope/
“It still amazes me how you can build near-research-grade instruments with cheap consumer electronics,” I guess people's idea of cheap spans a broad range. -walter > > --- > 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 > > > 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 >> > > > _______________________________________________ > Devel mailing list > [email protected] > http://lists.laptop.org/listinfo/devel > > -- Walter Bender Sugar Labs http://www.sugarlabs.org _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
