What are the various uses for Android’s on-the-go connections?

Dr.sunil V September 17, 2014
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What can be all the uses of USB on-the-go in Android?

I understand that USB OTG can be used for external pen drive, external mouse, external keyboard, game controller/stick…

Please add to the list and tell me whether USB on the go can also be used with an Internet USB dongle to an Android tablet, to connect to USB speakers and USB microphones or Ethernet Internet direct connection to router?

  1. Dalsan M
    September 17, 2014 at 8:55 pm

    There are several uses for OTG on devices, but it depends on the device and setup since some phones do not support OTG out of the box (most newer phones do), some phones do not have the 5V output necessary to power connected devices like pen drives or keyboards, and some devices that connect to the phone/tablet need extra power to allow a connection. The best OTG setup would consist of an OTG cable, a Y-USB cable and 5V USB power supply or powered USB hub, and possibly the OTG Helper app (futr Android) or other app that helps the phone detect connected USB devices.

    Here is a short list of possible uses, though results may vary and some uses require root access: http://androidforums.com/nexus-7-2012/589205-adventures-in-usb-otg-what-you-using.html. I know that some people were able to use a USB mic, others could use a webcam. USB speakers/headsets may be possible, but I haven't seen really anything about anyone using OTG for this and it working. Ethernet connection is hit or miss as driver support is dependant on if the kernel and/or operating system has the support, but most devices nowadays should work. All anyone can do is try different things and see what happens.

    • Dalsan M
      September 17, 2014 at 9:08 pm

      Another interesting use for OTG, but mainly businesses use this option for monitoring different things, is to monitor the environment remotely, like air quality, or track vehicles, etc. (sensor monitoring), such as with Valarm Pro app and external sensors. http://www.instructables.com/id/External-Sensors-Charging-w-Android-USB-aka-Micro-/?ALLSTEPS

    • Sunil
      September 18, 2014 at 1:19 pm

      Thanks. Very well answered! your answer is great. Please tell , is it true that , considering the drivers and version of Android AND the necessary hardware ; can Android device be connected with any device having usb pin?

    • Dalsan M
      September 18, 2014 at 9:30 pm

      In a sense, yes, as long as the connector fits. Drivers, voltages, and other factors come into play as to what may work and what may not. Some printers may work, but I'm not sure about routers with USB connectors. Many devices like DVD players with a USB connection can possibly see the phone as a mass storage device. I would like to see the possibilities.

    • Dr.sunil V
      September 20, 2014 at 4:30 pm

      Thanks. Please tell how to connect external mic to Android kitkat tab using usb otg?

      The mic has non-usb pin converted to usb pin VIA AUDIO ADAPTER. The mic is part of headphone mic combo.

      On connecting the headphone ONLY from combo directly it's pin ( non usb ) to the Android the sound was heard

    • Dalsan M
      September 23, 2014 at 10:18 pm

      Although theoretically it seems that it should work in the manner that you would think it should, I don't think that the adapter would be recognized as having a separate audio input along with the audio output (the microphone may not be recognized even though audio output to the headphone is possible). Using a microphone with a USB connecter instead of the 3.5mm connector may enable the recognition of a connected external microphone, however, I cannot say that the microphone will or will not be recognized when using a USB headset with microphone built in. Most times, the connections and wires for a USB adapter is only setup for audio output, or the operating system would only recognize the device as an audio output device instead of both an audio input and output device.

  2. Hovsep A
    September 17, 2014 at 6:29 pm

    there are some restriction like higher end mouse might not work properly

    Guide to USB-to-RJ45 Adapters - Thrive Networking by Ethernet Cable - 2/12/2012
    http://www.thriveforums.org/forum/toshiba-thrive-networking/7383-guide-usb-rj45-adapters-thrive-networking-ethernet-cable-2-12-2012-a.html

    DSLR Controller
    https://play.google.com/store/apps/details?id=eu.chainfire.dslrcontroller&hl=en_US
    control your Canon EOS DSLR from your Android device with a USB cable

    TRENDnet USB 2.0 to RS-232 DB9 Serial Converter, TU-S9
    http://www.amazon.com/TRENDnet-RS-232-Serial-Converter-TU-S9/dp/B0007T27H8/
    Connect the serial converter to the OTG cable
    Slick USB 2 Serial Terminal
    https://play.google.com/store/apps/details?id=slickdevlabs.apps.usbtoserialterm
    Slick USB 2 Serial Term Pro
    https://play.google.com/store/apps/details?id=slickdevlabs.apps.usbtoserialtermpro

    Connect any USB speakers to your Android Phone using OTG cable
    http://www.youtube.com/watch?v=hxqeYo4rUQA

    USB DAC support on USB OTG enabled devices
    http://neutronmp.com/forum/viewtopic.php?f=6&t=314&start=20

    i think to connect usb microphone you need specific drivers because even android 4.1 do not support
    USB audio driver in USB Audio Player/Recorder PRO and Audio Evolution Mobile
    http://www.extreamsd.com/USBAudioRecorderPRO/
    USB Audio Recorder PRO
    https://play.google.com/store/apps/details?id=com.extreamsd.usbaudiorecorderpro&hl=en
    USB Audio driver for android
    http://www.dr-jordan-design.de/USB_audio_with_android.htm

    if your android tablet do not support wired ethernet connectivity you will need USB to Ethernet adapter
    1. Plug the ethernet cable to the Network Adapter.
    Plugable USB 2.0 to 10/100 Fast Ethernet LAN Wired Network Adapter for Macbook, Chromebook, Windows 8.1 and Earlier, Surface Pro, Wii, Wii U, Linux, and Specific Android Tablets (ASIX AX88772 chipset)
    http://www.amazon.com/dp/B00484IEJS/?tag=stackoverfl08-20
    BobjGear USB to RJ45 Compact Fast Ethernet Adapter made for Android Tablets; also works with Ultrabooks, Windows, Linux, Mac, ChromeOS, Android TV Sticks MK802, MK808, UG802, UG007, iMito, Favi. EXCEPTIONS listed in Description below. BobjGear One Year Adapter Limited Warranty Included.
    http://www.amazon.com/dp/B007RTACDM/?tag=stackoverfl08-20
    2. Plug the USB OTG cable to the Network Adapter.
    3. Plug the USB OTG cable to the Android.
    Plugable USB2-E100 USB 2.0 10/100 Ethernet Adapter (ASIX AX88772 Chipset)
    http://plugable.com/products/usb2-e100/

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