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Topics - zainey

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Project Ideas / Turn your DIY Wii Project into a saleable product
« on: March 10, 2012, 06:00:49 AM »

I saw this article about making a large DIY sensor bar, the 'Megabar', into a commercial product through Kickstarter.

Maybe you have an idea that people will want to buy.

See article here :

or PDF version here:


Wiimote Finger Tracking / Wiimote Touchpad in the works
« on: November 05, 2011, 04:52:08 AM »

Nintendo are up to something with a new wiimote expansion with touchpad capability.

See here -

It also refers to the Nintendo Patent Application - 20110261012

Go to and "Quick search" this number "20110261012" under "AppFT: Applications"

Or just see it here -


IR Pens / Dual IR LED IWB Wii Mouse Pen
« on: July 03, 2011, 09:20:33 PM »

I have constructed a prototype whiteboard IR Pen which can provide left and right mouse button functionality.

The pen uses a bidirectional finger switch to turn on either one, or two IR LEDs.

The LEDs are wired to indicate whether the switch is pressed forward or backward, and this can be mapped to mouse button commands.

A Wii Remote is used to detect the IR LEDs from the pen, and software is used to determine the corresponding mouse command to be issued. I use GlovePie to act as the intermediate software between the pen and the computer application that is driven by the pen mouse.

The basic specification of the mouse pen is as follows.

1. Its made from a Sharpie Pen.

2. It has a fixed pointer IR LED at the tip.

3. It has a second IR LED mounted in the pen body.

4. The pen is ambidexterous for right and left hand users. The second IR LED is mounted in the pen cap so that it can be pulled off and turned to face the other side, so the Wii Remote camera can see it from the other direction.  

5. The IR LED switching is performed through one rocker switch with the Index Finger.

6. The pen is powered with a single 'AAA' 1.5 Volt battery. The battery is removable and replaceable using the battery holder provided. Just pull the cap off, and take the battery out.

7. The pen weighs under 40 grams.


Wiimote Glovepie projects / GLOVEPIE WII WHITEBOARD
« on: October 25, 2010, 11:02:18 AM »

I wanted to code my own whiteboard application because no-one really explained how the code worked. I found some useful math on the web and cobbled my program together.

I used GlovePie because its relatively simple to program, and a challenge to get it working with some of the math involved. I don't think anyone has written and published a script quite like this for a GlovePie Wii Whiteboard program. I would like to know if someone has though.

For Math teachers, this program uses a spectrum of math elements such as matrices, vectors, linear equations and perspective projection. Its at advanced high school level, and you can demonstrate to your students why math is relevant and practical.

Since I am not a whiteboard user, I have only tested the operation of the pen/mouse/cursor with a home-made IR pen on my CRT.

The IR tracking works really well, and the mouse button operation is so far limited to the visible cursor and the left mouse button click.

I have got some other Wii Whiteboard related ideas and this program will serve as a basis for that.


The full program script is published here -

Logged in users can download this program -   GlovePie Wii Whiteboard ver1.txt  (22.12 KB).


// Version 1.0 for Public release, 24 October 2010
// By M.A.V. Brisbane, Australia

// Please use and modify this code to suit your application or educational needs


// SOURCE 1:
// Citation:
// "Fundamentals of Texture Mapping and Image Warping"
// Paul Heckbert
// pp 17-21, Masterís thesis, UCB/CSD 89/516, CS Division, U.C. Berkeley, June 1989.

// SOURCE 2:
// Citation:
// "A Planar Perspective Image Matching using Point Correspondences and Rectangle-to-Quadrilateral Mapping,"
// Dong-Keun Kim, Byung-Tae Jang, Chi-Jung Hwang,
// ssiai, pp.0087, Fifth IEEE Southwest Symposium on Image Analysis and Interpretation, 2002

**** END OF EXCERPT ****

Comments and Feedback / Recent posts
« on: February 28, 2010, 07:26:37 PM »

I would like to see more recent posts shown in the "Recent Posts" list.

The number of posts listed should preferably be at least 15 or 20.

This would reduce the chances of missing a recent post for an irregular visitor (not having to look every day, or even twice a day).

Another option is to put up a "Recent Post" tab on the home page, which would drop down a "Recent Post" list.

This would save time having to click onto forums and scrolling to the bottom of the page.

This is not the only website that makes searching a little inconvenient.


General Hardware Talk / Wii Remote Motionplus extension cable.
« on: February 10, 2010, 05:18:03 AM »


I cannot find any mention of a wired, or wireless extension for the Wii motionplus dongle.

So I made a wired extension cable for the MotionPlus dongle.

And it works.

In GlovePie 0.43 it reports true to hasMotionplus, and gives all the angular rates.

I tested it out with the lednerg motionplus script and it shows up the disparity in respective motions between the Wiimote x,y,z and MotionPlus yaw, pitch and roll. 

How to

I just needed to run six wires in a cable from the Wiimote to the MotionPlus dongle. So simple in principle.

The Nunchuk extension cable won't work, because Pin 4 is terminated and Pin 3 is tied to the 3.3 V pin via a loopback wire at the Wiimote end. 

This is the proof of principle prototype to test the concept out.

I use a male-male 6 pin firewire cable and cut one end off. On the free side of the cable I soldered-on solid sheathed wire ends suitable for making a connection to the Motionplus dongle.

Here is the connection trick. I inserted the wire ends into the spring slots on the face of the dongle connector.

Machined wire-wrap pins also fit solidly into the spring slots. However there is a tendency to bend the brass strips if inserted on the wrong side of the tongue. As another precaution, place a thin insulator in the slot so the opposing pins don't accidently bridge the gap. Lead wires can conveniently be inserted snugly into the other end of the machined pins.


The freed motionplus dongle could be put to use for measuring angular rates for all kinds of things without the Wiimote being in the way, provided the attachment cable does not present a problem.

Not only that but the Nunchuk should still work fine if you want to combine external accelerometers and a joystick.

What next

Make a wireless verion please - It can't be that difficult in this day and age.


Project Ideas / Wiimote as wireless scientific sensor
« on: December 14, 2009, 10:00:54 PM »


Saw this article at Wired you may be interested in.

Use of a Wiimote and laptop as a cheap data logger for geophysical data.


Project Ideas / Make a 3D Wii Whiteboard - Concept Video Included
« on: December 05, 2009, 08:09:05 PM »


I found a "3D" viewing technology that could "easily" be adapted from the existing Wii Remote and Wii Whiteboard technology.

Basically it uses a flat viewing page which is moved in front of a projector, in which video effects such as magnification or 3D cross-sections can be superimposed.

The video system co-ordinates the images shown on the page by sensing the spatial location of the infrared LEDS at the corners.

See here:



This is a project that I have completed.

For more information please visit -   



The full story over 4 pages is available from the Nintendo Wii site.

Visit -

Thanks.  :D


I saw an interesting segment this evening on the Australian ABC television science program Catalyst called 'Sports Motion'.

They describe a small inertial sensing and data logging device which is attached to athletes to measure aspects of their performance.

Nintendo are potentially going in this same direction with their Wii Fit, Wii Motion Plus and related accessories.

Its only a matter of time before multiple wireless 6 axes devices are attached to gamers and others for immersive applications.

Here are the relevant links.

ABC TV - Catalyst :

Griffith University Sports Engineering:




I made some enquiries today with my sources (local games shops) and found out the Wii Motion Plus will be released in Australia on Thursday June 11.

I have seen the display boxes for the Wii MotionPlus (with long jacket). The box does not seem as long in reality as it appears in photos. 

The Wii MotionPlus will also come bundled with EA Sports Grand Slam Tennis for a retail price of AU$89.99.

I suppose the release on the Thursday coincides with the weekly retail sales cycle here and general world release.

The retail store catalogues with details should be out a week before then.

Its finally coming. Woo Hoo.


Comments and Feedback / Displaying photo attachments in postings
« on: April 28, 2009, 04:50:41 AM »

I have downloaded photo attachments to a posting, but my efforts to display them have not worked.

The photos are displayed in edit mode, but not in general browsing mode.

It may be something simple I have missed but its very exaspirating trying to make it work.

My posting is here:


Project Ideas / Wireless Wii Motion Plus adapter mod - Concept
« on: April 24, 2009, 08:42:11 PM »

Whilst the Wii Motionplus will not be available until mid-June it does not prevent us from thinking about and proposing uses for it.

It may be possible to make the Wii Motionplus adapter completely wireless and physically unconnected to the Wii Remote by using the wireless connectivity from the Nyko Cord Free for the Wii Nunchuk.

See here for Nyko Cord Free details: -

The main idea is that the Wii MotionPlus connects into the plug recepticle for the Wii Nunchuk in the Nyko Cord Free. The Nyko wireless connector is attached to the Wii Remote instead of the Wii MotionPlus.

Some minor dissassembly of the Nyko Cord Free is required using a screwdriver. The handle and rubbers can be easily removed and discarded. The base compartment with its circuit board assembly can be easily opened.

The cable from the circuit board can be extended from inside the enclosure for better reach to the Wii MotionPlus.

It seems there are no physical impediments to making this concept work.

These are some of the potential advantages of this mod:

1. It enables a wireless 3 axes rotation sensor to be physically separate from the Wii Remote. This may make it useful as a head tracker where the weight and size of the Wii Remote makes it impractical to use. 

2. For locational flexibility and utility, a Wii Nunchuk extension cord can be used to place the Wii MotionPlus separately from the Nyko Cord Free wireless module. This may be useful if you didn't want the wireless module for the head tracker near your head.

3. There is further scope to modify the packaging of the Wii MotionPlus and Nyko Cord Free base to reduced its size, shape or lightness for adaptation to other applications. 

4. Four or maybe more Wii MotionPlus modules can be used at the same time, each with their own Wii Remote base station, as the Nyko Cord Free devices can apparently distinguish between their wireless transmissions so there is no communication interference. 

5. A wireless 6 axes sensor may be possible, with the Wii MotionPlus strapped to a Wii Nunchuk. The Nunchuk could use the back port of the Wii MotionPlus whilst the front port is used by Nyko Cord Free wireless module.

I hope this idea works, as it could lead to some interesting developments and applications in the modding community.


Project Ideas / Wii Remote Camera Extension Mod with RJ45 connections
« on: March 11, 2009, 08:57:52 PM »

I am new to the forum and this is my first post.

I built a prototype Wii Remote Camera Extension.

This is a picture of the general arrangement -

I first got it working on 9-March-09.

It is described in more detail at -

This mod demonstrates a simple way to connect the Wii IR camera to the Wii remote using an ethernet cable.

I want to use it as a head tracking camera with FreeTrack v2.2

Hope you like the idea.

Thanks for your interest.

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