I want to create an app using Blynk. I wanted to see if I plugged my nano via usb into the router if this would work or would I have to buy an ESP32? Its a DCCduino with Atmega328 and old bootstrap if that matters? not an official arduino nano.
I wanted to see if I plugged my nano via usb into the router if this would work or would I have to buy an ESP32?
Usually not, except if your router uses an open sourced OS and you know how to configure such stuff on Linux.
An ESP based board may be better if you want it to have access to your network.
As you failed to describe what exactly you're trying to achieve we're not able to help you further.