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-   -   USB full size keyboards w/smartphones? (https://www.overclock.net/forum/199-phones/1728892-usb-full-size-keyboards-w-smartphones.html)

8051 07-08-2019 10:27 AM

USB full size keyboards w/smartphones?
 
I read rumor that it's possible to use USB keyboards w/smartphones (I'm guessing w/an appropriate USB adapter). Is it true?

speed_demon 07-08-2019 10:30 AM

It is possible. You would need a USB OTG adapter for older android devices, or a USB-C to USB adapter for newer androids.

Looks something like this

https://www.sanoxy.com/wp-content/up...354-origin.jpg

8051 07-09-2019 03:54 PM

What about using the USB OTG port as a video output? Is there such a thing? Can you connect a USB hub to the USB OTG port and have a keyboard, mouse and video hook up to a smartphone?

speed_demon 07-09-2019 04:02 PM

There is something similar available on many USB-C phones, but as far as I know only a select few micro-usb devices supported video out.

Here is a Samsung MHL adapter that allows a few compatible devices to output to HDMI. Worked with my first gen Galaxy Tab S but one would need to use a bluetooth keyboard and mouse with it. https://www.amazon.com/Genuine-Samsu.../dp/B00NFZ2JDI

https://images-na.ssl-images-amazon....L._SL1000_.jpg

Conversely there are USB-C hubs that allow video out and up to 4 usb devices to connect to a single cell phone. I have this one - Hootoo Hub, which even has an SD card reader than my cell phone can pull pictures and files from.

https://images-na.ssl-images-amazon....L._SL1500_.jpg

ozlay 07-09-2019 04:02 PM

Quote:

Originally Posted by 8051 (Post 28034138)
What about using the USB OTG port as a video output? Is there such a thing? Can you connect a USB hub to the USB OTG port and have a keyboard, mouse and video hook up to a smartphone?

Yes some phones support USB-C hubs. And some support video over USB-C. You can also cast your phone to a display wirelessly. And or use a bluetooth keyboard and mouse.

8051 07-09-2019 09:42 PM

So the android OS automatically picks up USB mice+keyboards? How does the android OS know what to do w/video output over USB 3.0 OTG as far as detecting a panel and its characteristics (resolution, refresh rate) over a USB 3.0 to HDMI adapter? I notice they do have USB panels now, but how would you get the drivers for them on a smartphone?


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