Solving ESP32 Code Upload Issues - Troubleshooting Guide

In this ESP32 troubleshooting video, we'll guide you through common problems that arise during code uploads to LOLIN D32 and D32 PRO boards. We'll explore incorrect upload sequences that can hinder the board's transition to the appropriate bootloader mode, and provide insights into symptoms, root causes, and troubleshooting steps to overcome this challenge. Join us as we use the Lolin D32 Pro board with the original ESP32 chip and offer practical solutions to these issues.
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#esp32 #arduino
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[@lzelezna]

After struggling with code uploads to my ESP32 board, I was able to resolve the issue. Many thanks!

[@plukasYoutube]

I'm glad to hear that the video was helpful for you!

[@butchertibi6039]

I also tried slowing the upload speed by adding:
`nano_nora.upload.speed=921600`
`nano_nora.upload.flags=`
To `C:\Users\YOUR_PC_USER\AppData\Local\Arduino15\packages\arduino\hardware\esp32\2.0.13\boards.txt`

[@darianstefan687]

Hello! I have an esp32 lolin32 v1.0.0 version and I can’t write scripts to the module. The problem is that the module doesn’t enter in “download mode”. I try many methods to do that but they have failed. Can you tell me some methods to change the module mode into “download mode”?

[@bobrusso102]

Odd as it sounds, try a different PC. I have an HP desktop, and an HP laptop. Win10/64. Arduino 2.x. Both worked fine till about 6 weeks ago, when I allowed an ESP32 board update on the laptop. It disabled my ability to upload to most ESP32s from that machine, compile still works fine. I've uninstalled, reinstalled, gone back to Arduino 1.x, ESP 1.06/08. Nothing will make it work properly. The laptop uploads to SOME Lolins OK, manufacturer dependent. The desktop works fine on everything. I'm not updating that till I can figure out what's up with the laptop. (I suspect that Arduino installs something upload related that doesn't get removed during uninstall.) The cap/short to ground on the enable line does nothing for my stuff.