# Automotive Network Integration and Control

**URL:** <https://forum.arduino.cc/t/automotive-network-integration-and-control/1414822>\
**Category:** General Guidance\
**Created:** [November 17, 2025, 1:58pm UTC](https://forum.arduino.cc/t/automotive-network-integration-and-control/1414822 "2025-11-17T13:58:01Z")\
**Posts on this page:** 1\
**Showing post:** 10

<div class="post-metadata">

**Author:** ![camsysca](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/camsysca/32/1015228_2.png) [@camsysca](https://forum.arduino.cc/u/camsysca)\
**Post date:** [November 17, 2025, 2:44pm UTC](https://forum.arduino.cc/t/automotive-network-integration-and-control/1414822/10 "2025-11-17T14:44:18Z")

</div>

Yes. That's what I'm saying. A V4 has the USB(which appears to be Serial, to the user), and it has RX/TX on a separate UART. Check carefully through the information here:

> [@Nano 4 Docs inconsistent, there are two Serial instances supported](https://forum.arduino.cc/t/nano-4-docs-inconsistent-there-are-two-serial-instances-supported/1414454/3):
>
> Why would one necessarily go to Tutorials for a cheat sheet to find out about a product’s features? Sure, it’s one path to the answer, but? You may close this thread if you wish, particularly if that’s the official doctrine.

I was quite confused, but was set straight.

---

_[View the full topic](https://forum.arduino.cc/t/automotive-network-integration-and-control/1414822)._