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For Sale: 2 x HMDs, 2 x Keyers, 1 x Touchpad

Dear wear-hard,

It is with much reluctance that I've been forced to part with some of my finished and unfinished wearable computing projects. Please find some "FOR SALE" items below =]. I apologise to uninterested parties receiving this, but I know there are often wear-harders looking for second hand gear.

1) TEKGEAR M1 HMD:

These HMDs are well known, complete specs can be found at http://www.tekgear.com/. In short the display is monochrome with 320 x 240 pixels (QVGA) resolution (capable of displaying VGA 640 x 480 video modes). The controller hardware is low power (2W including the onboard VGA to NTSC scan converter).

One second-hand M1 HMD in perfect cosmetic and operating condition EXCEPT that the LCD / backlight / lens assembly has been removed from its black plastic housing and the housing has been discarded.

This does not affect the operation of the unit in any way, but you will have to somehow mount the LCD and lens assembly for permanent use. I recommend a Google search for "covert m1" (no quotes) and Don Papp's http//www.aeinnovations.com/ for details of many succesful M1 modifications.

This has the advantage over the RS-170 kits and similar that the driver electronics incorporate a very power efficient scan converter (VGA to NTSC). I will also include lengths of hard-to-obtain 0.025" pitch ribbon cable and some of Don Papp's PCBs for extending the distance between the LCD / backlight / lens assembly and the controller hardware up to about 3.5ft, perfect for eyeglasses mounting with no head-borne PCB's as in the original design.

The controller box can be easily modified to run from a regulated 5V supply, otherwise you can connect any 9V DC plug-pack (unregulated is fine, ordinary 2.5mm DC plug, positive center) and use the internal regulator. The plug-pack and video cable are not pictured and not included.

Pictures:

http://members.optusnet.com.au/~nbingham/hmd_keyer/m1_complete.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/m1_extended.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/m1_vitals.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/m1_image.jpg

Everything pictured is suppled:

M1 controller box (provides panning controls, VGA (via onboard scan converter) and direct NTSC input, Kopin 320M CyberDisplay output)
Kopin 320M CyberDisplay w/ backlight + original M1 magnifier lens
All interconnecting electronics (the display is fully operational)
Lengths of 0.635mm (0.025") pitch ribbon cable attached to Don Papp's PCB + spare PCBs

Asking price is US$300.00 + shipping, please send any reasonable offers to me at . I can accept international credit cards for payment (no PayPal). Airmail shipping to the USA or Canada costs approximately US$15.00 and takes one to two weeks.

2) Monocular Hacked Sony Glasstron PLM-A33 HMD:

This was a Sony Glasstron PLM-A33 but it has been disassembled and one eyepiece mounted on the front of a pair of eyeglasses. It's suppled fully operational exactly as pictured including an almost new genuine Sony InfoLithium NP-F550 battery worth US$30.00? alone.

The eyeglasses are about -2.0 diopta (for short-sighted persons). It's up to the buyer whether they use it in the current configuration or disassemble it and remount the display.

The display accepts an NTSC video signal (composite or S-VHS). An RCA plug is attached to the board for composite input, you will need to attach an S-VHS cable or socket to the board to use the S-VHS input (the terminals are obvious). The display is full colour and has a resolution of 180,000 pixels (800H x 225V), my impression of the video quality is approximately equivalent to the M1 but in FULL COLOUR.

I will also include eight brand new hard-to-obtain molex connectors (four each to suit the LCD and backlight mylar ribbon cables) which you may find useful in extending these cables. The controller circuitry is in two parts and is currently connected with solid core wire as pictured.

Pictures:

http://members.optusnet.com.au/~nbingham/hmd_keyer/glasstron.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/hmd_angle.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/hmd_control.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/hmd_eyepiece.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/hmd_initial_display.jpg

Everything pictured is supplied. Asking price is US$150.00 + shipping, please send any reasonable offers to me at . I can accept international credit cards for payment (no PayPal). Airmail shipping to the USA or Canada costs approximately US$15.00 and takes one to two weeks.

3) HandyKey Original Twiddler

This original Twiddler has been tested but never actually "used" and is in as-new condition. 

The Twiddler sends ALL data (keyboard and mouse) through a 9 Pin serial port. It needs to be connected to the PC keyboard port to obtain its 5V power ONLY. I believe your existing keyboard and mouse can work simultaneously with the Twiddler.

Don Papp has done a wireless modification for the Twiddler. The keyer draws its power from a regulated battery which also poweres a small RS-232 transmitter. A matching frequency RS-232 receiver is connected to the PC serial port. The Twiddler is perfect for this application.

You can download any software you will require (for Windows and Linux) from the HandyKey site:

http://www.handykey.com/site/downloads1.html

Picture:

http://members.optusnet.com.au/~nbingham/hmd_keyer/twiddler.jpg

Everything pictured is suppled:

Twiddler
PS/2 to DIN5 and DIN5 to PS/2 adaptors (to allow you to power the Twiddler from a PS/2 or DIN5 keyboard port and also connect your existing keyboard)
Chord Chart
Users Guide

Asking price is US$125.00 + shipping, please send any reasonable offers to me at . I can accept international credit cards for payment (no PayPal). Airmail shipping to the USA or Canada costs approximately US$8.00 and takes one to two weeks.

4) Steve Mann's Septambic Keyer

This is my own incarnation of Steve Mann's septambic keyer. It has the seven switches (for key chording) along with a key lock / power switch mounted in an ergonomic joystick handle (see pictures) with a curly cord and is eminently usable. It connects directly to the PS/2 keyboard port and requires no drivers or special application software.

I am not manafacturing keyers for sale using Steve Mann's design (made available for free on the internet). I am not going to use the keyer I built for my personal use, so I'm trying to recover the cost of the PIC micro and the joystick handle =].

Steve Mann's Septambic Keyer site (the keyer pictured is not the one for sale):

http://wearcam.org/septambic/

Pictures:

http://members.optusnet.com.au/~nbingham/hmd_keyer/keyer_final.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/keyer_inside.jpg

Asking price is US$50.00 + shipping, please send any reasonable offers to me at . I can accept international credit cards for payment (no PayPal). Airmail shipping to the USA or Canada costs approximately US$8.00 and takes one to two weeks.

5) Synaptics TouchPad PS/2 Mouse

Simply mount the touchpad on your wearable case and connect it to your PS/2 mouse port. Then on the occasions when you are using a GUI and require a mouse it's ready and waiting for you without wasting any space and can be used on-the-go. Requires no special drivers, compatible with two button MS mouse (I *think* tapping the pad = left mouse click, and both L + R mouse buttons are available seperately).

This is a Synaptics touchpad in as-new condition (got tested, works beautifully! but never got "used") suppled fully operational with prototype circuitry and a PS/2 plug on a curly cord attached. A printout of the schematic required to connect it to the PS/2 port is included in case you want to redo the circuitry (it involves two switches and two resistors for L + R mouse buttons). A nice black curly PS/2 cord (to match the Septambic Keyer =]) is included.

http://members.optusnet.com.au/~nbingham/hmd_keyer/synaptics_top.jpg
http://members.optusnet.com.au/~nbingham/hmd_keyer/synaptics_bottom.jpg

Asking price is US$50.00 + shipping, please send any reasonable offers to me at . I can accept international credit cards for payment (no PayPal). Airmail shipping to the USA or Canada costs approximately US$8.00 and takes one to two weeks.

Sorry to trouble the whole list with these, but I'm sure there will be some interested parties. Please feel free to ask any questions at  (or on-list if you feel its appropriate).

Kind Regards,

Nick

UTS CRICOS Provider Code:  00099F

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