Lapdock HDMI

zanzee · Dec 5, 2011

I can confirm that the lapdock does indeed work as a hdmi monitor and usb mouse / keyboard, I had some spare time and tried it out.

*update*
I just spliced a USB A to a micro USB female, works great on my ps3. I just connected USB Rx Tx and ground, Don't bother connecting USB +5vdc red as it sends power up stream and may damage whatever your connecting it to.

here's a video of it in action.
http://www.youtube.com/watch?v=On8e6kuqeF0

I sent an email to sparkfun inquiring about a micro hdmi female breakout board and here's they're response:

***
Level 1 level1@sparkfun.com to me

show details 2:33 PM (1 hour ago)

Hi XXXX,

Thank you for your breakout board product suggestion. You bring up a great point about seeing this type of connection more and more. I will forward it on the appropriate people to see if this is something we can make and carry. Thank you again and have a great day!

Take care,
Pamela
***

Hopefully we see something from this.

V DidDy 210 · Dec 5, 2011

great news!

stvmac11 · Dec 5, 2011

callen81 said:
I can confirm that the lapdock does indeed work as a hdmi monitor, I had some spare time and tried it out. I haven't tried the usb but its just a matter of me splicing a cable together.

It'd be awesome if you could post some pictures, such as a game console or camera

zanzee · Dec 5, 2011

So far I just connected it to my laptop by holding it. I have an adapter I bought off dealextreme that converts micro female hdmi to full size hdmi. I had to file the female side down a bit but nothing more. If I can find my hdmi genderbender then I'll post it with my xbox360 or ps3. http://www.dealextreme.com/p/hdmi-male-to-micro-hdmi-female-adapter-converter-81206

stvmac11 · Dec 5, 2011

that is awesome, a female micro hdmi to female hdmi cable is impossible to find I'm sure

shanghei · Dec 5, 2011

What kind of usb slicing is involved?

zanzee · Dec 5, 2011

stvmac11 said:
It'd be awesome if you could post some pictures, such as a game console or camera

http://www.youtube.com/watch?v=On8e6kuqeF0 go here, I just made a simple video demo'ing it working with my ps3.

zanzee · Dec 5, 2011

shanghei said:
What kind of usb slicing is involved?

I just spliced a USB A to a micro USB female, works great on my ps3. I just connected USB Rx Tx and ground, Don't bother connecting USB +5vdc red as it sends power up stream and may damage whatever your connecting it to.

stvmac11 · Dec 5, 2011

callen81 said:
I just spliced a USB A to a micro USB female, works great on my ps3. I just connected USB Rx Tx and ground, Don't bother connecting USB +5vd red as it sends power up stream and may damage whatever your connecting it to.

What are you using the USB for for end-use? USB hub for the ps3?
I'm not familiar with the ps3

zanzee · Dec 5, 2011

stvmac11 said:
What are you using the USB for for end-use? USB hub for the ps3?

The lapdock keyboard and touchpad work just like a normal USB keyboard and mouse. I just used a ps3 as a good proof of concept. But it'll work on anything else that has HDMI / DVI and USB. I'm going to use mine as a cheap rack controller with a KVM.

phantoms8 · Dec 5, 2011

@callen81, I see there are 2 HDMI to micro HDMI connectors on dealextreme. The one you've posted is $5, and the other one is $4.10. The cheaper one also has a smaller form factor. Maybe it'll fix without any modifications. Anyway, I just wanna ask is there any reason why you've decided to purchase the expensive one? Thanks!

Here is the link to the cheaper one.
http://www.dealextreme.com/p/hdmi-male-to-micro-hdmi-female-adapter-66079

SpeedBrkr · Dec 5, 2011

Awesome find callen81!

If I get a "Gold Plated HDMI Female to HDMI Female Adapter/Converter" (search on dealextreme) coupled with the HDMI Male to Micro HDMI Female Adapter, I should be good to go right?

@callen81: Out of curiosity do you happen to have Rock Band 2 with a Rock Band 2 Guitar? If so, I'd love for you to run the auto-calibration test on the Laptop monitor and let us know what the Video Response Time is (aka input lag). If it's under 16.6ms, then it is considered sub 1 frame lag. If you don't have this, I'll do this test myself when I get my Laptop monitor up and running and report back!

shanghei · Dec 5, 2011

callen81 said:
The lapdock keyboard and touchpad work just like a normal USB keyboard and mouse. I just used a ps3 as a good proof of concept. But it'll work on anything else that has HDMI / DVI and USB. I'm going to use mine as a cheap rack controller with a KVM.

Any chance you can take a pic of the splicing?

zanzee · Dec 5, 2011

SpeedBrkr said:
Awesome find callen81!

If I get a "Gold Plated HDMI Female to HDMI Female Adapter/Converter" (search on dealextreme) coupled with the HDMI Male to Micro HDMI Female Adapter, I should be good to go right?

@callen81: Out of curiosity do you happen to have Rock Band 2 with a Rock Band 2 Guitar? If so, I'd love for you to run the auto-calibration test on the Laptop monitor and let us know what the Video Response Time is (aka input lag). If it's under 16.6ms, then it is considered sub 1 frame lag. If you don't have this, I'll do this test myself when I get my Laptop monitor up and running and report back!

I don't have Rock Band, that HDMI micro female to HDMI male looks identical to the one I have. Looks just to be cheaper? As well I just used a hdmi female to female gender bender for a wall plate and it seems to have worked fine. A HDMI extension cable would probably be ideal.

shanghei · Dec 5, 2011

Where did you get the female micro usb as well? FRom video it looks like the hdmi adapter takes up almost all the room so I am just wondering how hard is it to fit them plugged in at same time

mamoranto · Dec 5, 2011

Is there anyway to make an extender (female to male) for both the HDMI and USB connections? I would love to be able to use my atrix as a webcam for skype or goggle talk since the screen blocks the view of the phone when the lapdock screen is up.

zanzee · Dec 5, 2011

shanghei said:
Where did you get the female micro usb as well? FRom video it looks like the hdmi adapter takes up almost all the room so I am just wondering how hard is it to fit them plugged in at same time

I had to file both the hdmi and micro usb female plugs down a bit, far as an extension cable for the atrix itself it wouldn't work as more then usb data is sent though the usb plug.

acoustique · Dec 5, 2011

Mac Mini?

All the more reason to pick up the dock while its being sold for $50 on ATT.

Someone should connect this to a Mac Mini and you would have your very own PAAH (Portable as Hell Hackintosh)

zanzee · Dec 5, 2011

acoustique said:
All the more reason to pick up the dock while its being sold for $50 on ATT.

Someone should connect this to a Mac Mini and you would have your very own PAAH (Portable as Hell Hackintosh)

You should look at the pandaboards, full opmap4 dev board with hdmi.

gerrynjr · Dec 5, 2011

I plan on doing the same thing.

Ordered two of the link below thanks to your testing.
hxxp://wwx.sparkfun.com/products/9614

Plan on soldering them together to make a clean adapter. (Without the +5v connected, or with to power a beagleboard using the OTG port)

Had to de-link the post b/c I'm a "new" poster... long time lurker though

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