NABU/RS422Alternative/Readme.md

Diagram of a serial port implemented with a simple USB<->TTL adapter and YouTube below.

It works!
![NABU-Online](https://github.com/Kris-Sekula/NABU/blob/main/RS422Alternative/NABU_online.jpg)
Detailed Diagram
![USB-serial-Adapter](https://github.com/Kris-Sekula/NABU/blob/main/RS422Alternative/USB_interface.png)
Youtube Video
[YouTube-video](https://youtu.be/NxW2GOw5Mqk)
I'm also testing virtual com port using ESP8266 and the esp-link firmware
![esp-link](https://github.com/Kris-Sekula/NABU/blob/main/RS422Alternative/esp-nabu.jpg)