• OTG UART Terminal-232 Free 1
  • OTG UART Terminal-232 Free 2
  • OTG UART Terminal-232 Free 3

OTG UART Terminal-232 Free

This is a testing tool that makes mobile phone or Tablet a portable UART/RS-232.With it, people don’t carry bulky PC or buy expensive UART testing equipment.
If there’s a USB OTG function in your mobile or Tablet, you just need to download the APP, prepare USB OTG Cable and USB Serial Port. That will make your mobile or Tablet testing tool of UART/RS-232.

*
* The FDTI Chip doesn't support yet, might be support in the futer.

Function:Baud Rate: 1200 ~ 115200Parity Bit: EVEN, ODD, NONEDisplay Mode: HEX or NormalStore Data function.

System Requirements:Over Android 2.3 versionA USB OTG interface in mobile or Tablet .USB OTG Cable.The USB Serial Port adapter.

For the sake of various standards of Android mobile phone and Tablet, please check your mobile as below to make sure that app can work well:1. Please check if mobile support the function of USB OTG.2. Though some mobiles have OTG function, they still need the permission of ROOT while using UART.3. Though some mobiles have OTG function, they don't supply power in the USB port. Hence, you must prepare power or USB HUB.4. The mount point of UART adaptors in some mobiles are not absolutely the name of “/dev/usb”, you can use file manager to check the mount point and inform us the name of it also.5. Anyway, you should see the UART adapter in your mobile device, and it may be in the "/dev/usb"

PS:1. The advertisement will be removed from paying version.2. If there's any problem, please feel free to contact us soon.

Category : Communication

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Reviews (17)

Lee. Oct 27, 2021     

It's a waste of space. All it did was paste a black screen across my tablet.

Bee. Sep 17, 2013     

Works perfect on sgs3, no need for a laptop anymore just a OTG cable! Woop!! Only downside is the UI it would be nice if it was a little better, and if it was, i'd easily spend 2-5$ on it. But until there's a UI update, free version it is. Ps. Just because of the UI it's not worth taking away a star, this app is great.

Dan. K. Aug 30, 2013     

Still very raw, not a lot of features. One problem on Gallaxy S2, "i" key only comes up in UPPER case. Can't seem to find a way to get a lower case "i", there fore making this unusable for me. I can type a lower case "i" in the macro setup, but not directly from the KB to the screen.

Mar. H. Jul 30, 2015     

There is no menu. No hint at which cable you're supposed to plug into the OTG cable. I have 3 OTG cables and a selection of the USB to serial adapters. It would be helpful if the writer could give a hint as to what is compatible cable-wise...

Jim. T. May 4, 2013     

Can see the text output, but cant type anything

A. G. u. Mar 14, 2013     

Works on galaxy S3....I can even configure adtrans with this thing.

joh. d. s. Jan 5, 2017     

I have long waited for this feature! I love this one!

Nai. L. Jun 20, 2013     

cannot connect to my MSP430 on /dev/ttyACM0

gp. s. Sep 23, 2014     

Best

A. G. u. Nov 5, 2012     

App working on Galaxy S3 with NO Root. Detected USB to Serial Prolific chipset automatically. Would be great if you could change the Screen Text size and also Cut/Paste text. Well Done!!!

Suk. A. Feb 1, 2013     

Great, this app work on ATOMPAD. Thanks

A. G. u. Nov 30, 2012     

Not working on sgs2

Sca. N. Aug 7, 2014     

Works great. Not many features, I have the pay version because I cannot stand ads. The only issue I have is my Note 8.0 resets when I disconnect the cable.

Tra. G. May 11, 2013     

All I see is a blank screen with the ads at the bottom of the screen. :( I really wanted this to work cause I want to be able to serial conect to switches to manage them. Dev, please test on 1024x600 screen and if you list contact info on app description I'll contact you.

Man. A. Feb 5, 2015     

Water app didn't work on my Samsung galaxy grande 2 waste app

ada. w. Sep 21, 2016     

Black screen no menu or options guess it needs a menu button adding

Ang. R. H. Nov 13, 2014     

Just black screen with ad