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#1 2008-03-14 12:04:45 pm

alkim
Member
From: Latvia
Registered: 2008-02-17
Posts: 13

Touchscreen + BT mod (share webcam USB)

Purpose of this post is to share my experience and help others do something similar.

At the end of post i put links to other posts i used to get this mod done.

By clicking on images you can get larger image ;)

Summary of my mod:
*      7'' touchscreen (got it here)
*      BlueTooth (BT) adapter
*      no extra wires to screen - used web cam USB cable
http://i253.photobucket.com/albums/hh45/alkim666/screen_open_small.jpg

Components:
Touchscreen kit:(got it here)
http://i253.photobucket.com/albums/hh45/alkim666/t_kit_small.jpg
USB Hub and BT adapter (compared to SD card):
http://i253.photobucket.com/albums/hh45/alkim666/hub_bt_sd_small.jpg

Tools:
Soldering iron, screwdriver, pincers, cutting nippers and hot glue gun.

Test and configure all components before start:
To avoid installing damaged component i recommend to test/install everything You're going to install inside Your Eee pc. Install drivers and do calibration. This way You can avoid having hardware and software problems at same time.
http://i253.photobucket.com/albums/hh45/alkim666/all_ext_small.jpg

USB Hub installation:
I removed case; striped off connectors, led, and part of board; Then installed it in left upper corner of screen.
http://i253.photobucket.com/albums/hh45/alkim666/hub_strip_1_small.jpg >>> http://i253.photobucket.com/albums/hh45/alkim666/hub_trim_small.jpg >>> http://i253.photobucket.com/albums/hh45/alkim666/hub-install_small.jpg


Touch screen installation:
Also removed all connectors and cut off part of board where no components where located:
http://i253.photobucket.com/albums/hh45/alkim666/touchc_install_small.jpg,
Cable from touch screen plate to controller- as you can see on picture below i removed black-fat connector and just soldered wires to flat cable. This way there is no bulge on bottom of the screen.
http://i253.photobucket.com/albums/hh45/alkim666/touch_ribon_install_small.jpg

USB Bluetooth (BT) adapter installation:
I removed case. For this particular dongle there is no part of board that could be cut of :(
http://i253.photobucket.com/albums/hh45/alkim666/bt_install_small.jpg

Conclusion:
Spent one night and several hours next day to get this done. Touch is pretty nice and accurate.
Installation of drivers and and calibration was pretty simple under Linux eeexubuntu.


Some useful links if you are going to do something like this:
*    How to open Eee case
*    Linux: touchscreen driver installation and calibration
*    nice thread in this forum about installing and configuring touchscreen
*    Linux touchscreen driver

Last edited by alkim (2008-03-14 12:21:36 pm)


Eee PC 701 4G - 900MHz/512MB - eeexubuntu
+TouchScreen +BT

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#2 2008-03-14 1:11:20 pm

Jel
Member
From: UK
Registered: 2008-01-18
Posts: 71

Re: Touchscreen + BT mod (share webcam USB)

Is everything powered from the webcam connector? And did you mount that Corsair pen and GPS in the usual spot or leave them out?


White 701C 4G | NLited WinXP SP3 v3282 | 2GB Kingston PC5300 Ram | 16GB Class 6 A-Data SD-HC | 4 Port Internal Swivel Hub with 1. Touch Panel  2. LM056 250m Bluetooth 3. 16GB A-data PD2 Flash (rubbish!) 4. Empty |

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#3 2008-03-14 1:57:02 pm

alkim
Member
From: Latvia
Registered: 2008-02-17
Posts: 13

Re: Touchscreen + BT mod (share webcam USB)

Jel wrote:

Is everything powered from the webcam connector? And did you mount that Corsair pen and GPS in the usual spot or leave them out?

Yes - all usb units in screen are powered from webcam USB. Not much consumption from hub, webcam and touchscreen controller.

Corsar flash goes in bottom of eee pc - next to RAM module.

GPS is Holux M-1200 and uses BT to connect - therefore is left it out.


Eee PC 701 4G - 900MHz/512MB - eeexubuntu
+TouchScreen +BT

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#4 2008-03-14 2:12:11 pm

enzyme
New member
Registered: 2008-01-28
Posts: 7

Re: Touchscreen + BT mod (share webcam USB)

Did you remove the anti glare filter on the EEE's LCD? If not does the screen still give a decent picture?

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#5 2008-03-14 2:19:42 pm

alkim
Member
From: Latvia
Registered: 2008-02-17
Posts: 13

Re: Touchscreen + BT mod (share webcam USB)

enzyme wrote:

Did you remove the anti glare filter on the EEE's LCD? If not does the screen still give a decent picture?

I did not remove anti glare. But picture is OK. Maybe it is a little darker.... but even on low brightness it is clear and sharp. My touch panel does not have anti-glare layer... and I'm thinking about adding one - however - I'm not rushing with that because for me picture is good enough.


Eee PC 701 4G - 900MHz/512MB - eeexubuntu
+TouchScreen +BT

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#6 2008-03-15 2:45:45 am

irish
Senior Member
From: Chicago Illinois
Registered: 2008-03-15
Posts: 134

Re: Touchscreen + BT mod (share webcam USB)

nice job.  but looks lik eyour screen is very glossy which is why i also thought u removed the AG etc..

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#7 2008-03-15 3:55:11 am

alkim
Member
From: Latvia
Registered: 2008-02-17
Posts: 13

Re: Touchscreen + BT mod (share webcam USB)

irish wrote:

nice job.  but looks lik eyour screen is very glossy which is why i also thought u removed the AG etc..

There is no anti-glare on this particular touchscreen panel - so screen became glossy. There is no effect from AG on LCD because touchscreen is glaring.


Eee PC 701 4G - 900MHz/512MB - eeexubuntu
+TouchScreen +BT

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#8 2008-03-15 4:53:51 am

enzyme
New member
Registered: 2008-01-28
Posts: 7

Re: Touchscreen + BT mod (share webcam USB)

Thanks, glad to hear that, as I have ordered one of the same touchscreens from the same seller.

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#9 2008-03-15 6:05:23 am

JAmerican
Senior Member
Registered: 2008-02-06
Posts: 184

Re: Touchscreen + BT mod (share webcam USB)

My touchscreen is the similar if not exactly the same but when I placed my ribbon cable at the bottom, I got a bulge. So I had to place it at the top.

http://jamerican.net/JJFiles/EEE/EEEtouch_3.JPG

JAmerican


ASUS EEE 1000H 80GB Black | 1GB RAM (2GB Coming Soon!) | Slim DVD Recorder (Coming Soon!)

SOLD: ASUS EeE 4G Galaxy | Ultra-thin Bluetooth Keyboard
For Sale: 512MB SODIMM RAM

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#10 2008-03-15 7:02:22 pm

alkim
Member
From: Latvia
Registered: 2008-02-17
Posts: 13

Re: Touchscreen + BT mod (share webcam USB)

JAmerican wrote:

My touchscreen is the similar if not exactly the same but when I placed my ribbon cable at the bottom, I got a bulge. So I had to place it at the top.
JAmerican

I removed plastic from the end of ribbon cable and soldered thin wires to it - therefore i have no bulge at bottom of screen....


Eee PC 701 4G - 900MHz/512MB - eeexubuntu
+TouchScreen +BT

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#11 2008-03-15 9:30:33 pm

JDTucson
Senior Member
From: Arizona USA
Registered: 2007-11-01
Posts: 768

Re: Touchscreen + BT mod (share webcam USB)

Looks like your touch screen supplier doesn't have a great reputation for quick delivery. How was your service with him? Did he include any install instructions with your screen?
JDtucson

Last edited by JDTucson (2008-03-15 9:30:55 pm)


smile FOR SALE - Model 900-20G Linux White w/OCZ 32GB SSD modded to BT port, 52GB total SSD $239+sh

68GB 701-4G w/Touch Screen - 0703 BIOS - 1GB RAM - Black - XP Home
901XP-12G-Ebony Black w/ZIF - 2GB OCZ RAM - 1902 win 7 BIOS - Runcore SATA 64GB

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#12 2008-03-16 8:07:54 am

alkim
Member
From: Latvia
Registered: 2008-02-17
Posts: 13

Re: Touchscreen + BT mod (share webcam USB)

JDTucson wrote:

Looks like your touch screen supplier doesn't have a great reputation for quick delivery. How was your service with him? Did he include any install instructions with your screen?
JDtucson

Well.... i got my screen - shipping time was 12 business days. It was good packed and brand new. He supplied disk with windows drivers - no Linux drivers. Also no install instructions. However - in this forum You can find all the information You need to install it.


Eee PC 701 4G - 900MHz/512MB - eeexubuntu
+TouchScreen +BT

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#13 2008-03-16 5:24:18 pm

enzyme
New member
Registered: 2008-01-28
Posts: 7

Re: Touchscreen + BT mod (share webcam USB)

You're damn right, I paid the item on 20th February, and touchscreens still did not arrive. When I had bought the swivel hub from hong kong via dealextreme it had actually been faster for it to arrive to Malta.

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#14 2008-03-16 8:46:59 pm

Blacksockrebellion
Senior Member
Registered: 2008-02-06
Posts: 102

Re: Touchscreen + BT mod (share webcam USB)

wow good god that looks spectacular

I was under the impression that you couldnt
re route the webcams power because it only had enough power to run the cam

not a hub and other utlities

clarification anyone?

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#15 2008-03-16 10:46:19 pm

JDTucson
Senior Member
From: Arizona USA
Registered: 2007-11-01
Posts: 768

Re: Touchscreen + BT mod (share webcam USB)

Blacksockrebellion wrote:

I was under the impression that you couldnt
re route the webcams power because it only had enough power to run the cam
not a hub and other utlities
clarification anyone?

I was under the same assumption. Windows reports the camera as using 500ma by itself. I thought it would be less but everything I've seen on the forum said you couldn't put much more on the camera plug. Alkim proved this wrong.

alkim What is windows reporting for power usage on the new hub?
Thx, JDtucson

Last edited by JDTucson (2008-03-16 10:50:14 pm)


smile FOR SALE - Model 900-20G Linux White w/OCZ 32GB SSD modded to BT port, 52GB total SSD $239+sh

68GB 701-4G w/Touch Screen - 0703 BIOS - 1GB RAM - Black - XP Home
901XP-12G-Ebony Black w/ZIF - 2GB OCZ RAM - 1902 win 7 BIOS - Runcore SATA 64GB

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#16 2008-03-16 10:51:50 pm

gospeed.racer
ExtrEmE User
From: Portland, Oregon USA
Registered: 2007-12-11
Posts: 1591

Re: Touchscreen + BT mod (share webcam USB)

you CAN put more on the cam connection, but you need to be careful of the devices. You will start to get errors and the camera will freeze if there is a lack of power. I have had no issues at all running a bluetooth, camera, and hub off it. I have also ran dual flash drives and a bluetooth without issue. Adding one more device to either scenario started to create errors.


I have webcam connectors! Pre wired with heavy power wires!
I also have pre-built webcam harnesses to install a flash drive with no soldering
Please contact me via email for more info

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#17 2008-03-17 3:26:06 am

alkim
Member
From: Latvia
Registered: 2008-02-17
Posts: 13

Re: Touchscreen + BT mod (share webcam USB)

JDTucson wrote:

Blacksockrebellion wrote:

I was under the impression that you couldnt
re route the webcams power because it only had enough power to run the cam
not a hub and other utlities
clarification anyone?

I was under the same assumption. Windows reports the camera as using 500ma by itself. I thought it would be less but everything I've seen on the forum said you couldn't put much more on the camera plug. Alkim proved this wrong.

Thx, JDtucson

As you can see - i have only 3 actual devices on webcam connection:  webcam, BT and touch controller. Hub itself does not drain much power - unless some of units attached does so. I also ripped of leds - from hub, BT and touch controller - this reduces consumption.

JDTucson wrote:

alkim What is windows reporting for power usage on the new hub?

I use eeeXubuntu - so i can't tell what windows says about it wink However i will check consumption this evening and post here.

Last edited by alkim (2008-03-17 3:30:55 am)


Eee PC 701 4G - 900MHz/512MB - eeexubuntu
+TouchScreen +BT

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#18 2008-03-17 3:37:53 am

alkim
Member
From: Latvia
Registered: 2008-02-17
Posts: 13

Re: Touchscreen + BT mod (share webcam USB)

gospeed.racer wrote:

you CAN put more on the cam connection, but you need to be careful of the devices. You will start to get errors and the camera will freeze if there is a lack of power. I have had no issues at all running a bluetooth, camera, and hub off it. I have also ran dual flash drives and a bluetooth without issue. Adding one more device to either scenario started to create errors.

Totally agree - your can put more.
BUT BE CAREFUL when putting many devices on single connection. If You don't know consumption of separate devices, then best way is to assemble everything on external hub and  check total consumption for this particular hub. Also don't forget to start webcam video, and attach some BT devices before you make measurement wink


Eee PC 701 4G - 900MHz/512MB - eeexubuntu
+TouchScreen +BT

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#19 2008-04-02 7:54:21 pm

enzyme
New member
Registered: 2008-01-28
Posts: 7

Re: Touchscreen + BT mod (share webcam USB)

Do you think the following is possible?

Connect a usb hub internally to one of the eee's 3 usb port connections. This would render one of the ports unusable. But to gain back the functionality of this usb port, I would then connect it to one of the now internal usb hub connections.

Can this be tecnically/physically be done? Anyone has done this?

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#20 2008-04-02 7:57:43 pm

gospeed.racer
ExtrEmE User
From: Portland, Oregon USA
Registered: 2007-12-11
Posts: 1591

Re: Touchscreen + BT mod (share webcam USB)

it absolutely CAN be done, but you have USB data available off the PCI-e, and its unused, so why do all that extra work?


I have webcam connectors! Pre wired with heavy power wires!
I also have pre-built webcam harnesses to install a flash drive with no soldering
Please contact me via email for more info

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#21 2008-04-02 8:07:22 pm

enzyme
New member
Registered: 2008-01-28
Posts: 7

Re: Touchscreen + BT mod (share webcam USB)

Yep you're right, on that. I am a little bit scared to solder on the tiny points but now that you told me I agree it's the best way it should be done.

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#22 2008-04-02 8:16:25 pm

gospeed.racer
ExtrEmE User
From: Portland, Oregon USA
Registered: 2007-12-11
Posts: 1591

Re: Touchscreen + BT mod (share webcam USB)

I have a better method, use a 2 pin JST connector to the pci-e traces. They are the correct pitch and all you need to do is tack it- that way the device, hub, etc can be unplugged later and you dont need to solder to the board again.

I cant find my pics, when I do i will post it up

Last edited by gospeed.racer (2008-04-02 8:16:52 pm)


I have webcam connectors! Pre wired with heavy power wires!
I also have pre-built webcam harnesses to install a flash drive with no soldering
Please contact me via email for more info

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#23 2009-01-18 2:13:08 am

yoyogu
Member
Registered: 2008-12-25
Posts: 35

Re: Touchscreen + BT mod (share webcam USB)

Sorry to bump and old thread,

Is this possible for the 1000ha?

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#24 2009-01-18 8:03:41 am

gtisingh
EEEmazing User
From: UK
Registered: 2008-03-01
Posts: 5278

Re: Touchscreen + BT mod (share webcam USB)

Yes it is possible, I believe the connector is the same for the 1000HA.
You can run a max of 500mah of the ca port, so keep that in mind.


-(2G Surf-450mb Nlited XP Pro SP2-571mhz-512mb RAM-7'' Touchscreen)-|
         |Mods : Internal Hub\Touchscreen\4GB Class6 Flash Drive\Bluetooth|
       -Gti-                Cheap LED's with FREE Resistors - £2.49
      -Singh-

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#25 2009-01-18 4:59:00 pm

yoyogu
Member
Registered: 2008-12-25
Posts: 35

Re: Touchscreen + BT mod (share webcam USB)

gtisingh wrote:

Yes it is possible, I believe the connector is the same for the 1000HA.
You can run a max of 500mah of the ca port, so keep that in mind.

Thanks for the reply,

All i was just thinking to attach a bluetooth and a 8gb usb drive thats all. would you think thats enough, or would i have to test it on the laptop first?

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