+ Post New Thread
Page 4 of 6 FirstFirst 123456 LastLast
Results 46 to 60 of 83
General Chat Thread, LackRack: Ikea server racks for living room datacenters in General; Originally Posted by glennda bit of pollyfilla or that foam stuff that expands you laughing : Originally Posted by mjs_mjs ...
  1. #46
    mjs_mjs's Avatar
    Join Date
    Jan 2009
    Location
    bexleyheath, london
    Posts
    1,020
    Thank Post
    37
    Thanked 111 Times in 95 Posts
    Rep Power
    37
    Quote Originally Posted by glennda View Post
    bit of pollyfilla or that foam stuff that expands you laughing :
    Quote Originally Posted by mjs_mjs View Post
    Not forgetting the duct tape.
    Quote Originally Posted by glennda View Post
    and the superglue,

    maybe a bit of sealant around the edges to make it look seemless!!
    It's comming together.

  2. #47

    Join Date
    Jan 2009
    Location
    Midlands
    Posts
    77
    Thank Post
    4
    Thanked 7 Times in 7 Posts
    Rep Power
    13
    Ooo lol. We've got loads of these tables in the staff room...

  3. #48

    glennda's Avatar
    Join Date
    Jun 2009
    Location
    Sussex
    Posts
    7,817
    Thank Post
    272
    Thanked 1,138 Times in 1,034 Posts
    Rep Power
    350
    steal one for us, its getting cheaper to make this prototype!

  4. #49

    dhicks's Avatar
    Join Date
    Aug 2005
    Location
    Knightsbridge
    Posts
    5,653
    Thank Post
    1,257
    Thanked 781 Times in 678 Posts
    Rep Power
    236
    Quote Originally Posted by glennda View Post
    that foam stuff that expands
    That-foam-stuff-that-expands costs at least as much per can as the whole table, comes out as sticky goop that keeps on expanding and oozes (I think) ueraic acid all over the place. As pointed out by Batman, the table top is hollow - the inside looks like it's made from little more than corrugated cardboard. Ikea have them dotted around its store in a pick-one-up-as-you're-passing sort of way, they're so light.

    You would need something a bit more solid for a proper table - MDF for the top, probably, with strips of pine or similar making up the legs, assuming you're planning to paint the whole thing a uniform colour to hide the raw materials. It probably wouldn't cost much more than £30 per table for materials, although you would need some decent tools to finish the job properly - a circular saw or angle grinder to cut a hole in the centre of the table top, and a router to make a nice neat recess (a rabbet) to slot the screen in properly.

    Computer hardware wouldn't be a problem - one of those dead small Acers fitted on the back of the LCD screen should work nicely. I have one that's not getting much use at the moment, you could maybe test with that. The main problems I can think of:

    - LCD screens aren't great for putting cups of coffee on. You'd need a chunk of perspex or similar screwed on top of the table. This will rather spoil the touch-sensativity part of the LCD, though.

    - What software, exaclty, are you planning to run on this device, and what operating system? Is Windows 7 is multi-touch capable? Is there a developers kit / API available for free to develope Windows multi-touch applications with? Or is there a matching multi-touch version of Linux?

    - If the touch-screen bit doesn't work behind a chunk of perspex, how do you plan to make the screen touch-sensative, or multi-touch capable?

    --
    David Hicks

  5. #50
    dayzd's Avatar
    Join Date
    Nov 2009
    Location
    In front of computer
    Posts
    406
    Thank Post
    76
    Thanked 59 Times in 48 Posts
    Rep Power
    24
    Has nobody linked to this yet?
    Build Your Own Multitouch Surface Computer

  6. Thanks to dayzd from:

    dhicks (26th January 2010)

  7. #51
    Batman's Avatar
    Join Date
    Mar 2009
    Location
    Northampton
    Posts
    940
    Thank Post
    115
    Thanked 118 Times in 74 Posts
    Rep Power
    40
    I just think that by the time you've spent £30 making a £4.99 table strong enough you're a fool and you have egg on your face

  8. #52

    maniac's Avatar
    Join Date
    Feb 2007
    Location
    Kent
    Posts
    3,068
    Thank Post
    210
    Thanked 430 Times in 310 Posts
    Rep Power
    144
    Quote Originally Posted by Batman View Post
    I just think that by the time you've spent £30 making a £4.99 table strong enough you're a fool and you have egg on your face
    We don't necessarily have to use the IKEA table, it's spawned the idea, but may or maynot form part of the finished product.

    I for one would actually quite like to see a DIY touch top interactive tablely thing, and I'm volunteering garage space to build it in, and some cash towards the project if we're actually serious about giving this a go. Problem is, if we build one, who would keep the finished product, or would we donate it to Dos_box for edugeek use

    Mike.

    EDIT: just checked that link abullett, that's thing's amazing, I want to build one now!
    Last edited by maniac; 26th January 2010 at 11:29 AM.

  9. #53
    stariq's Avatar
    Join Date
    Feb 2008
    Location
    Birmingham
    Posts
    190
    Thank Post
    113
    Thanked 18 Times in 16 Posts
    Rep Power
    17
    my wife used to work in Ikea

  10. #54

    glennda's Avatar
    Join Date
    Jun 2009
    Location
    Sussex
    Posts
    7,817
    Thank Post
    272
    Thanked 1,138 Times in 1,034 Posts
    Rep Power
    350
    Quote Originally Posted by abullett View Post
    Has nobody linked to this yet?
    Build Your Own Multitouch Surface Computer
    Looks a bit complicated for what i was thinking! i was thinking something we could make in 15 mins!

  11. #55
    machin05's Avatar
    Join Date
    Dec 2007
    Posts
    326
    Thank Post
    21
    Thanked 22 Times in 21 Posts
    Rep Power
    23
    Can i just blindly post a link here without reading through the entire thread?

    [ame="http://www.youtube.com/watch?v=5s5EvhHy7eQ&feature=player_embedded"]YouTube- Low-Cost Multi-touch Whiteboard using the Wiimote[/ame]

    taken from

    Johnny Chung Lee - Projects - Wii

    Maybe some kind of top projection table, using a pico projector? Could work with a white LACK table?!

  12. #56

    dhicks's Avatar
    Join Date
    Aug 2005
    Location
    Knightsbridge
    Posts
    5,653
    Thank Post
    1,257
    Thanked 781 Times in 678 Posts
    Rep Power
    236
    Quote Originally Posted by machin05 View Post
    Maybe some kind of top projection table, using a pico projector? Could work with a white LACK table?!
    Pico projectors are a little on the dim side for any kind of realistic use - I have one at home for watching DVDs, and while it's pretty good I do have to turn off pretty much every light in my flat to be able to watch it. However, one of those dinky new LED projectors as shown on the LG stand at BETT would do the job nicely.

    Top-projection would involve having a projector pointing at just the right place where your table is, and of course leaves a shadow... Unless, of course, you combine this with some of the other stuff on Johnny Chung Lee's website - the auto-calibration system made from a couple of bits of glass fibre and twin-projector projection. In fact, you could replace the lights for a room with LED projectors - maybe four or six sets of twinned projectors, focussed to project on table surfaces. Have the tables themselves auto-calibrate to be interactive surfaces when placed under a projector. You would probably be best having pupils interact with infra-red pens, as with that whiteboard design - seems about the cheapest option and your software only has to deal with a certain number of inputs instead of the whole multi-touch deal.

    --
    David Hicks

  13. #57

    dhicks's Avatar
    Join Date
    Aug 2005
    Location
    Knightsbridge
    Posts
    5,653
    Thank Post
    1,257
    Thanked 781 Times in 678 Posts
    Rep Power
    236
    Quote Originally Posted by dhicks View Post
    In fact, you could replace the lights for a room with LED projectors - maybe four or six sets of twinned projectors, focussed to project on table surfaces.
    Hmm. Thinking about this a bit more, I can see where Smart are going with the interactive table idea. A set of 24 classroom laptops costs, say, £10,000. If you can replace laptops with devices that can accommodate 6 children at a time then once the price of those devices drops below £2,500 each you're looking at a good way of providing access to ICT for a class. They won't replace the functionality of a dedicated IT room, of course (if, in three years time, you are still marching your children to The Computer Room to learn How To Use A Computer), but should provide a whole-class teaching solution for other subjects. The main problem would then seem to be content and applications that can actually make use of a multi-touch surface with children clustered around rather than seated individually directly in front of a screen. Obviously interactive tables are a bit too new at the moment, but give it three years or so and I reckon they'll be hitting that £2,500 mark and suddenly becoming the cheapest, most viable whole-class ICT option.

    Unless, of course... we could manage this now, with screens projected from the ceiling down on to white-surfaced tables. This would have the advantages over laptops of keeping the expensive equipment out of student's hands, power and network connections would be easy to provide, it'd be cheaper overall per class (if six people could use a screen at once) and it would be a collaborative workspace. Laptops can potentially be shared over several classrooms (although this doesn't actually work well in practice) and give each individual pupil their own workspace, which might be what is wanted (a 1280 X 800 projector would provide an individual pupil with an area of 426 x 400 pixels, which is small but comparable to a smartphone or netbook).

    You would have to figure out how, exactly, each pupil would interact with the display. One idea is infra-red emitting pens, like with that Wiimote above, but with each pen flashing in a particular pattern to indicate which number it is (not sure how well that would actually work). Maybe you could modify standard USB mice to work 6 at a time (although how would you power them - battery, or lose the advantage of needing no power cables?), or maybe create a bluetooth capable device of some kind?

    You could probably even do 3D for relatively little extra - how much more are 3D-capable projectors?

    --
    David Hicks

  14. #58

    maniac's Avatar
    Join Date
    Feb 2007
    Location
    Kent
    Posts
    3,068
    Thank Post
    210
    Thanked 430 Times in 310 Posts
    Rep Power
    144
    Quote Originally Posted by abullett View Post
    Has nobody linked to this yet?
    Build Your Own Multitouch Surface Computer
    As a result of this link which I forwarded to our Director of learning for Enterprise/ICT we might, just might try building one of these as an extra curricular activity for a few of the brighter students - we've got a lot of the parts to do it in school already so it could be an interesting little project.

    Watch this space, as if we do it I'll start a thread and document it's progress.

    Mike.

  15. #59

    dhicks's Avatar
    Join Date
    Aug 2005
    Location
    Knightsbridge
    Posts
    5,653
    Thank Post
    1,257
    Thanked 781 Times in 678 Posts
    Rep Power
    236
    Hang on, though... Is maybe the wall the best place to project a screen? How about if you got a "gaming" PC capable of supporting 4 screens, with a decent amount of RAM and a decent processor, and installed Linux on it along with a modified window manager that could support multiple mouse/keyboard input (see MPX: The Multi-Pointer X Server). Then have Windows Server running as a VM on the same machine to provide Terminal Services, then plug in 4 bluetooth keyboards and mice and away you go - each user (or, better, group of users) can open applications (logged in properly as themselves) but also slide open windows between displays. A four-screen setup would cost around £5,000.

    --
    David Hicks

  16. #60

    maniac's Avatar
    Join Date
    Feb 2007
    Location
    Kent
    Posts
    3,068
    Thank Post
    210
    Thanked 430 Times in 310 Posts
    Rep Power
    144
    Quote Originally Posted by dhicks View Post
    Hang on, though... Is maybe the wall the best place to project a screen? How about if you got a "gaming" PC capable of supporting 4 screens, with a decent amount of RAM and a decent processor, and installed Linux on it along with a modified window manager that could support multiple mouse/keyboard input (see MPX: The Multi-Pointer X Server). Then have Windows Server running as a VM on the same machine to provide Terminal Services, then plug in 4 bluetooth keyboards and mice and away you go - each user (or, better, group of users) can open applications (logged in properly as themselves) but also slide open windows between displays. A four-screen setup would cost around £5,000.

    --
    David Hicks
    Doing a lot of thinking out loud there dhicks

    I'd actually be very much up for doing some proof of concepts on some of this stuff, as there's some pretty interesting ideas there, and I think there's enough of the necessary componants in existance to build a working device along the lines of some of your thoughts.

SHARE:
+ Post New Thread
Page 4 of 6 FirstFirst 123456 LastLast

Similar Threads

  1. Server Racks.
    By ICT_GUY in forum Hardware
    Replies: 20
    Last Post: 28th January 2011, 02:55 PM
  2. Earthing Server Racks
    By joshcoombs in forum Hardware
    Replies: 7
    Last Post: 6th October 2009, 02:28 PM
  3. Replies: 3
    Last Post: 7th July 2009, 02:29 PM
  4. Ikea laptop table
    By dhicks in forum General Chat
    Replies: 2
    Last Post: 25th June 2009, 11:56 PM
  5. server racks
    By ozzy in forum How do you do....it?
    Replies: 7
    Last Post: 23rd May 2008, 02:51 PM

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •