I need help with Arduino OTG sendind data

[Juan María Álvarez]

Hi, im working in an Arduino project and I need to get data from my arduino through serial-OTG connection with my aplication made by App Inventor. I can do it via bluetooth but not OTG. How can I do that?

Thanks

[Sivagiri Visakan]

You could try using the Arduino USB serial extension :
https://community.thunkable.com/t/arduino-usb-serial-extension/2624

[Sivagiri Visakan]

Juan emailed me asking if any tutorial was available .
Here is a link to a instructable written by Domhnall:

http://www.instructables.com/id/Control-an-Arduino-With-Android-and-USB/

This tutorial was written for Thunkable but should work fine with AppInventor too

And some troubleshooting tips can be found here :
http://domhnallohanlon.com/thunkable_extensions/tools/arduino-extension.html

[Juan María Álvarez]

I tried but when I design the code blocking this doesnt appear (in app inventor):

What should i do?

[Pavitra]

I removed that block in the latest version and since you are using the latest version, so you are not seeing it.

[Juan Antonio]

Pavitra, great work! great extension!

This extension  (version May 29) works with Arduino Uno and  Arduino Due original. It doesn't work with chinese clon Arduino UNO with chip CH340.

[Pavitra]

Lol! It can be used to detect clones of Arduino.

Moreover, I will look into that.