flash download tool
Posted: Tue Sep 30, 2025 2:22 pm
I am trying to use the flash download tool for sn esp32. When I examine the bin file it is empty. What am I doing wrong
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Re: flash download tool
Posted: Wed Oct 01, 2025 1:07 am
You need to give us a bit more information than that. How exactly are you using the flash download tool; what parameters are you filling in and what files are you using? What did you expect to happen? What did actually happen? How did you come to that conclusion?
Re: flash download tool
Posted: Wed Oct 01, 2025 1:43 pm
I bought a esp32 board with other components which I have been looking for. Unfortunately there is no chip to link the USB data input to the esp32. I am using a USB to serial unit (FTDI) and following the instructions on the Expressif Flash Download Tool User Guide
The com port is recognised ok. when I follow the instructions everything seems ok until I try to download the files nothing happens. When I open the bin file which is part of the download from Expressif it is empty.
What am I missing?
The com port is recognised ok. when I follow the instructions everything seems ok until I try to download the files nothing happens. When I open the bin file which is part of the download from Expressif it is empty.
What am I missing?
Re: flash download tool
Posted: Thu Oct 02, 2025 12:56 am
The download package does not include any bin files besides the '"flash_download_tool_3.9.9_R2.exe" itself. All the folders (including "bin" folder) are empty by default.
Can you connect to the chip from the "chipInfoDump" tab and see some information like below?
- flash-download-tool-folders.png (97.59 KiB) Viewed 1481 times
Can you connect to the chip from the "chipInfoDump" tab and see some information like below?
- flash-download-tool-chip-info.png (233.63 KiB) Viewed 1481 times