Comments on: Tikk-Tekk Rainbow

By: Guopeng Liang

Guopeng Liang — Sun, 29 Nov 2009 04:39:12 +0000

Hi ye, thanks, I used Flash to make this video.

By: ye

ye — Sun, 29 Nov 2009 04:31:01 +0000

The video is sweet…
Can you tell me what kind of software is needed to make the vedio out?

By: percychang

percychang — Tue, 15 Sep 2009 07:06:41 +0000

Oh, I obtain a lot from your description

By: Guopeng Liang

Guopeng Liang — Fri, 11 Sep 2009 03:48:35 +0000

Yes percychang, we could just get a straight-line result if we used infrared. Plus, infrared is directional, which means the user might need to adjust the emitter and reciever’s angles on his/her two fingers to get it work properly. This could be an annoying problem on the usability.

Bluetooth might be a better replacement for infrared. The distance is determined through the decay of signal. However, it is till not practical on a daily tool like this, since battery is required. And with battery, you have to think about recharge and disposal.

In fact, the goal of this project is to design an affordable and easy-to-carry unversial measuring tool. I believe in this design the most important point for a blind person is the tactile feedback, which is direct and intuitive. That is why I decided to go low-tech and play with a rainbow thread:-)

By: percychang

percychang — Fri, 11 Sep 2009 01:59:18 +0000

Is it possible to use infrared ranging instead of that thread? Of cause, the infrared ranging is onle suitable for straight-line distance’s measure …

By: xiami

xiami — Thu, 27 Aug 2009 14:20:05 +0000

i like this one
just shows your attention to the blind, very kind~

ps: oh my poor english….