# APDE USB / OTG communication

**URL:** https://discourse.processing.org/t/apde-usb-otg-communication/30114
**Category:** Processing for Android
**Created:** [May 16, 2021, 12:13am UTC](https://discourse.processing.org/t/apde-usb-otg-communication/30114 "2021-05-16T00:13:07Z")
**Posts on this page:** 1
**Showing post:** 53

<div class="post-metadata">

### Author: ![ZENAR57](https://avatars.discourse-cdn.com/v4/letter/z/a698b9/32.png) [@ZENAR57](https://discourse.processing.org/u/ZENAR57)
#### Post date: [May 21, 2021, 7:23pm UTC](https://discourse.processing.org/t/apde-usb-otg-communication/30114/53 "2021-05-21T19:23:39Z")

</div>

but I getting wrecked a primitive polling of devices.  
.  
Serial.list (this) [0]  
.  
I put the library well, in manual mode, through dfx .  
.  
-glv- wrote that he also did it on the phone. but he did not indicate which library he was using.I have provided an annotation and a direct link to the library that I used. in my previous post. but I do not understand this library is needed, or another.

---

_[View the full topic](https://discourse.processing.org/t/apde-usb-otg-communication/30114)._