Hello, I'm asking for help with the diagram.
When connecting to a PC on Windows 10, I get the following error: “Error determining device descriptor” and the device is not recognized as a COM port.
Everything is fine with the drivers, the tracks rang fine.
V3 needs to tie to GROUND via a 0.1uF capacitor.
Not to 3V3 as you have it.
Took the image from: GitHub - UnfinishedStuff/CH340C: Details for using the CH340C with a 328p · GitHub
I made a board years ago with a CH340G and had exactly the same issue until I fixed my capacitor:
Thank you very much for your help, your diagram helped me