Basics of embedded (esp32) firmware upload

[theycallmevirgo]

TL;DR

How can I breadboard an assembly to upload firmware to easp32 via usb?

I've been screwing around with an embedded esp32 system and have successfully flashed a few firmwares. The trouble is, my particular hardware has a built in usb port. For my next project I want to use a wifi esp32 board with camera peripheral. There are quite a few of them on Amazon and a minority come with a usb adapter. So I'm wondering what exactly I'd need to do to successfully assemble a usb adapter on a breadboard. Aside from being able to use more boards it would be nice to learn something.

Many thanks in advance for any help

Joe

 

[Tom.G]

A do-it-yourself USB inteface is, well... complicated. The Standards are here:
https://www.usb.org/documents

5 pages of 50 per page.

(above found with:
https://www.google.com/search?&q=usb+standards)

Your best bet is either contact the board manufacturer or find a users group for the board.

There are, however, USB interface chips made to connect an I/O port to USB... I don't remember any details though, it's been a quite a while since I've looked at one.

Good Luck!
And please let us know what you find.

Cheers,
Tom