Basics of embedded (esp32) firmware upload

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SUMMARY

The discussion centers on the challenges of uploading firmware to an ESP32 board with a built-in USB port and the desire to create a USB adapter for a Wi-Fi ESP32 board with a camera peripheral. Joe A seeks guidance on assembling a USB adapter on a breadboard, emphasizing the complexity of USB standards. Tom suggests contacting the board manufacturer or joining a user group for assistance and mentions the existence of USB interface chips designed to connect I/O ports to USB.

PREREQUISITES
  • Understanding of ESP32 microcontroller architecture
  • Familiarity with USB standards and protocols
  • Basic electronics skills for breadboarding
  • Knowledge of firmware flashing techniques
NEXT STEPS
  • Research USB interface chips suitable for I/O to USB connections
  • Explore ESP32 firmware flashing tools and techniques
  • Join online forums or user groups focused on ESP32 projects
  • Study the USB standards documentation available at usb.org
USEFUL FOR

This discussion is beneficial for embedded systems developers, hobbyists working with ESP32 microcontrollers, and anyone interested in building custom USB interfaces for their projects.

theycallmevirgo
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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
 
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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
 

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