I just got a new Arduino brand nano esp32. I plugged it in and used the "Arduino Nano ESP32" in the Arduino IDE 2.1.1. I opened the basic blink example and tried to upload it. It compiled fine but I got this error message on upload: Sketch uses 285833 bytes (9%) of program storage space. Maximum is…

I received my Arduino Nano ESP32 a week ago, and I had the same problem described by you, and others: No DFU Device available. After Looking into Windows dispositives, the Arduino DFU was with an error condition. I looked the driver board installed, and it was 2.1.1, installed automatically first …

Finally! I spent hours in reading posts and making tries. At the end I found that my Device Manager in Win10 was signaling something wrong on the DFU driver (actually, the device was not recognized). Using the Board Manager in Arduino I installed the last version (2.0.13) of the Arduino ESP32 Boa…

You need to choose correct bord

Actually, I fixed my issue by moving to Arduino IDE 2.0 with updates. Later, I moved to PlatformIO which works great (but for card reset which is not done by the software and need hardware handling) :slight_smile:

[image] psousalima: Arduino nano ESP32 i follwowed the instructions : Sketch uses 784457 bytes (24%) of program storage space. Maximum is 3145728 bytes. Global variables use 60244 bytes (18%) of dynamic memory, leaving 267436 bytes for local variables. Maximum is 327680 bytes. esptool.py v4…

Hi @lmateev . [image] lmateev: initial errowa was: Sketch uses 784441 bytes (24%) of program storage space. Maximum is 3145728 bytes. Global variables use 60244 bytes (18%) of dynamic memory, leaving 267436 bytes for local variables. Maximum is 327680 bytes. dfu-util 0.11-arduino4 Copyright 20…

[image] ptillisch: User Account Control problem seems to be there, as account was not an administrator the pop dialog is just not showing at all. workaround is from device manager to force it to search for drivers in arduino folders and it managed to install it. after reboot all goes well. Th…

You are welcome. Congratulations on finding a solution! I'm glad it is working now. Thank you for taking the time to post an update. Regards, Per

I'm getting the same error message: Cannot open... ...exit status 74 I'm using the Arduino IDE 2.3.2 and an Arduino Nano ESP32 board, which it recognizes on COM 57. Per your previous comment, "Board>Arduino ESP32 Boards" is installed (2.0.17), and the programmer is "esptools". I have tried diff…

Hi @unclebruce . I'm going to ask you to provide the full verbose output from an upload attempt. :exclamation: This procedure is not intended to solve the problem. The purpose is to gather more information. Please do this: Select File > Preferences... (or Arduino IDE > Settings... for macOS use…

Can't upload to nano esp32

Official Hardware Nano Family Nano ESP32

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Can't upload to nano esp32

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