I built Cardboard DIY Virtual Reality Headset

I just built Android Cardboard DIY Virtual Reality Headset of which I mentioned in the blog two weeks ago.  Here is my DIY version. I had to make some changed to lens holding part, because the lenses I had were a little lit larger than the ones the headset was designed to use (not too hard, just cut larger hole with knife). Maybe my cutting could be more accurate or the cardboard should have been better quality, but anyway the plans worked.

diyvrglasses

Plus: It works! It is much better than trying to use the app without the glasses. Give this as a toy to a kid and it is hard to get it back…

Minus: I used Samsung S4 Mini smart phone and I must say that the low screen resolution is clearly a limiting factor in picture quality. The screen parameters are 540 x 960 pixels, 4.3 inches (~256 ppi pixel density) which will makes in this use the individual pixels very much on this VR headset application (only 540×480 resolution per eye).

Also the magnetic button did not feel to be the most accurate means to control the phone. Sometimes it seemed to work well, and but it did not feel that it detected presses every time. Also the movement detection could be more accurate.

Still I think this was a good idea. On the Significance of Google’s New Cardboard (Video) article also likes this cheap-and-cheerful (it’s made of cardboard, after all) approach to nearly instant VR viewing. The basic idea for stereo viewing is from Viewmaster, which has been doing something similar for over 70 years with photos. You can of course can biy a slicker 3-D adapter for your smartphone from many companies. There are ready made products and third-party Cardboard kits that are getting ready to hit the market. For some more details on Google Cardboard, check my Android Cardboard DIY Virtual Reality Headset posting and On the Significance of Google’s New Cardboard Video.

18 Comments

  1. Tomi Engdahl says:

    You know the Google Cardboard kit that’s a real VR headset made of cardboard (and a smart phone)? Google may have gotten their inspiration from Oculus, because every Oculus Rift DK2 ships with a Samsung Galaxy Note 3 inside.

    Source: http://hackaday.com/2014/08/03/hackaday-links-august-3-2014/

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  17. Tomi Engdahl says:

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    http://www.linuxjournal.com/content/low-tech-high-tech

    Google Cardboard should be terrible. Really, it should. It’s literally made of cardboard. I remember as a kid some cereal boxes came with spy glasses you had to cut out of the box itself—and they were terrible. But Google Cardboard is amazing. Granted, you need to add your $750 Android phone to it, but that’s already in your pocket anyway.

    The reason Google Cardboard can be so simple is that its only job is to let you focus on a phone that is two inches from your face. A couple plastic lenses held in place by a chunk of cardboard isn’t terribly high tech.

    Using apps from the Google Play Store, the VR experience is shockingly good using nothing more than a modern Android cell phone.

    The truth is, it takes a lot of graphical power to render two separate dynamic videos on a screen at one time. (That’s how it makes the experience 3D.) So whatever VR app you download will likely have a slightly blocky-looking world. The crazy part is, that doesn’t detract from the experience. In fact, some blocky trees almost make the experience thatmuch more surreal because it’s obvious you’re in a simulation. Yet, when you turn your head, it changes like you’re actually there!

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