2026-04-17 3:41 AM - last edited on 2026-04-17 3:47 AM by Andrew Neil
Good morning everyone,
I have this Mini STM32F103C8T6 CH340 board which supposedly has the original chip (photo), I configure it as suggested in a post I saw here but it gives an error (attachment).
Does anyone have a solution?
Edited to place Images in-line for easier viewing:
2026-04-17 3:48 AM - edited 2026-04-17 3:49 AM
Hello @geniuxtechnology and welcome to the ST community.
What is the relation between: STM32F103C8T6, CH340 chip and CubeProgrammer? What are you trying to do exactly?
Please read How to write your question to maximize your chances to find a solution
2026-04-17 3:59 AM - edited 2026-04-22 3:31 AM
welcome to the forum.
Please see How to write your question to maximize your chances to find a solution for best results.
@geniuxtechnology wrote:I have this Mini STM32F103C8T6 CH340 board
Not sure what you mean by a "STM32F103C8T6 CH340 board" ?
CH340 is a USB-to-UART converter.
Please give more details of your board: manufacturer? Full product name? Link to specifications? Link to where you bought it?
Good, clear photos of the whole board - top & bottom?
@geniuxtechnology wrote:supposedly has the original chip
If you bought it from somewhere like aliexpress, ebay, amazon, et al, that's probably unlikely.
For best results, get a genuine ST board from an Official Distributor; eg,
https://www.st.com/en/evaluation-tools/nucleo-f103rb.html
Maybe this could help to identify the chip:
https://mecrisp-stellaris-folkdoc.sourceforge.io/bluepill-diags-v1.640.html#diags-1-640
@geniuxtechnology wrote:I configure it as suggested in a post I saw here
Please give a link to that post.
A good, clear photo of your complete setup would help.
@geniuxtechnology wrote:but it gives an error (attachment).
Rather than a screenshot, it would be more useful to copy & paste the text.
So you're trying to use the serial bootloader, and that is failing.