1. SerenityNetworks's Avatar
    I understand the Nexus has HDMI Out and USB Host. Can the two be used simultaneously? Specifically, I'm wondering if I can have a USB Keyboard and a USB Mouse providing input while I'm viewing the screen on a monitor? (Essentially a mini-netbook.)

    Thanks in advance,
    Andrew

    PS. I am specifically referencing the Samsung Galaxy Nexus offered by Verizon
    01-08-2012 09:33 AM
  2. Umass021's Avatar
    The nexus does not have an hdmi out. You need to buy a mhl adapter to use the hdmi.
    01-08-2012 02:22 PM
  3. SerenityNetworks's Avatar
    With the response of "You need to buy a mhl adapter to use the hdmi" I would say it has HDMI output.

    But the question was, 'can have a USB Keyboard and a USB Mouse providing input while I'm viewing the screen on a monitor'.

    If someone knows the answer then please provide, as someone else may want to know. I purchased the Razor today, so I no longer care.

    Regards,
    Andrew
    01-08-2012 09:23 PM
  4. ShinyTop's Avatar
    Actually you received the correct answer. If Umass21 made any mistake it was assuming you knew some basics about the phone you were asking about. The Nexus has one microusb port. That means you can connect one USB connector for your keyboard/mouse or the MHL connector for HDMI output. I think somebody asking for help might want to be be a little less combative, a little slower with the thumbs down.
    01-08-2012 10:04 PM
  5. sprunka's Avatar
    I think the real question that could have been asked to get the answer that the OP wanted to hear would have been:

    "Does anyone know if there exists a MHL->HDMI converter that also has a female USB port? Or a USB OTG cable that also incorporates an HDMI out? Can such a device even conceivably exist? Can the micro USB port on the Galaxy Nexus be accessed as both MHL and USB Host at the same time, if one has the proper converter?"

    Or some such.

    And actually, these are questions I'd like to know the answer to, as Google is failing me currently.
    01-25-2012 01:56 PM
  6. jdbower's Avatar
    MHL is either HDMI or USB, but not both at the same time. The USB port on MHL adapters is for power only, hooking it up to an OTG adapter won't work I'm afraid. However, you can look into a Bluetooth keyboard/mouse which should work just fine in HDMI mode.
    01-25-2012 06:02 PM
  7. steverap's Avatar
    Here's a video demonstrating this:

    01-26-2012 02:04 PM
  8. smwinn7's Avatar
    Has anyone tried using MHL and an OTG Cable to connect to a Motorola Lapdock, I came from a Bionic to the Nexus, I've got all the cables I think need on order. I'm just wondering if some has tried this yet.
    10-09-2012 11:10 AM
  9. gregs1213's Avatar
    With the response of "You need to buy a mhl adapter to use the hdmi" I would say it has HDMI output.


    Ugh what? No it doesn't. LOL, if I get a Micro USB to Parallel , it doesn't mean the phone has a parallel port. It means it has a Micro USB.
    10-09-2012 04:34 PM
  10. smokie11's Avatar
    Ugh what? No it doesn't. LOL, if I get a Micro USB to Parallel , it doesn't mean the phone has a parallel port. It means it has a Micro USB.
    How about it has the ability to output an HDMI signal thru a micro usb port with the use of an adapter. therefore it does have an HDMI output. Semantics... they are so much fun.
    10-09-2012 08:40 PM
  11. mapexonly's Avatar
    So well the phone charge while putting out video via the adapter?

    Sent from my Galaxy Nexus using Tapatalk 2
    10-09-2012 09:57 PM
  12. ConTejas's Avatar
    So well the phone charge while putting out video via the adapter?

    Sent from my Galaxy Nexus using Tapatalk 2
    Yes.
    10-10-2012 08:40 AM
  13. mechapathy's Avatar
    YMMV. If you're using it to do video playback, it will likely still lose charge.
    So well the phone charge while putting out video via the adapter?

    Sent from my Galaxy Nexus using Tapatalk 2
    10-10-2012 04:46 PM
  14. smokie11's Avatar
    I understand the Nexus has HDMI Out and USB Host. Can the two be used simultaneously? Specifically, I'm wondering if I can have a USB Keyboard and a USB Mouse providing input while I'm viewing the screen on a monitor? (Essentially a mini-netbook.)

    Thanks in advance,
    Andrew

    PS. I am specifically referencing the Samsung Galaxy Nexus offered by Verizon
    Yes you can. As already stated the mhl adapter to tv HDMI input and you connect a keyboard with mouse pad via Bluetooth to your Nexus and you have everything your phone can bring on a big screen.
    11-24-2012 09:06 AM
  15. michaelltaylor's Avatar
    None of these answers help what I'm trying to do, and I think it's what the OP is working toward as well. Where I work, we are provided thin client terminals with USB input only. There is no Bluetooth adapter. I can use the MHL adapter to output my phone's screen to my monitor, and I can connect my USB keyboard and mouse using a small hub. I don't have the necessary cabling to connect both at the same time. I do not want to have two keyboards, two mice, and two monitors at my desk. Instead, I'd like to use a KVM switch to connect both my thin client and my phone to my peripherals, but I don't want to spend the money to purchase and/or hack cabling if it's not going to work. I don't mind trying it if nobody knows, but if someone can answer this question, then it would save me, and probably the OP, a little time and money.

    So basically, the question is... if we have the proper cabling to connect both at the same time, will the phone support them?
    01-22-2013 01:35 AM
  16. liveglow's Avatar
    I've been trying to get this working but no luck so far.
    - USB OTG cable works fine on its own with USB keyboard/mouse.
    - HDMI adapter works but its micro USB port is for power only.

    For the most part these only work if they are connected directly to the phone. Even most docks don't pass the signals. The only exception is the EZO dock which seems to play nice.

    Other than the EZO dock, I haven't found any cables/connectors that work between either the OTG or HDMI cable to the phone which is probably a prerequisite for making this work.

    Has anyone else had better luck?
    01-25-2013 10:57 PM
  17. billr's Avatar
    The basic answer is no, there is not a combination of cabling that will work with this phone. When it is streaming video, the USB signal lines are used for sending the video and are not available for normal USB functions. Even if you had a USB hub, it wouldn't help because that still goes back to the phone which will support only one or the other. It's a hardware limitation.
    01-28-2013 03:08 PM
  18. Vernes Vardarac's Avatar
    Would it matter if the phone implemented the 11 or the 5 pin MHL specification?
    05-13-2013 04:16 AM
  19. billr's Avatar
    Yes, it would. If the phone implemented the 11-pin interface, you could get simultaneous USB and MHL. The Galaxy Nexus, though, has the 5-pin connector, which does not have that capability.
    05-22-2013 03:14 PM
  20. MHoekman's Avatar
    I'm sorry for reviving an old thread.

    but are there any phones / tabs that do support this on the same port?
    08-22-2014 01:53 PM
  21. Hayden Moulds's Avatar
    Samsung Note 3 using an adapter item no. 151570696018 on ebay (i cant post links until 10 posts)
    05-15-2015 12:00 PM
  22. Nikolas Angle's Avatar
    I am curious as well if i purchase the usb c to hdmi adapter will my phone charge while plugged into the hdmi port on the tv or is there not enough power Edit: I have nexus 6p
    01-29-2016 04:00 PM
  23. Robert Hunt's Avatar
    have you tried using Bluetooth keyboard and mouse then cast it on TV?
    02-20-2016 06:15 PM
  24. Nanas O's Avatar
    You can connect a USB mouse and HDMI simultaneously to your device using the 5 port hdmi connection kitUsing HDMI Out and USB Host Simultaneously-415o8ttvq4l._sx425_.jpg.
    Remember to connect in the following order.
    1. Power the connection kit
    2. connect the kit to your phone
    3. connect the mouse
    4. connect the hdmi cable.

    My phone screen was completely damaged. That was the only way I could enable usb debugging. Now I can view the screen from my computer via usb and use the mouse and keyboard. This was done on Samsung Galaxy S3 LTE version I9305

    Best of luck.
    04-24-2016 02:21 AM
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