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DevLoper
Associate
January 27, 2026
Solved

Stm32programmer is not connecting with Blue Pill device

  • January 27, 2026
  • 2 replies
  • 536 views

STLink: STLINK-V3MINIE

Card: STM32f103C8T6

 

I couldn't establish the connection at all. I can connect without any problems with the ST-LinkV2 clone, but I couldn't connect with the V3. I'm trying different tim variations, but it's not working.

The frequencies have been changed.
The modes have been changed.
The reset modes have been changed.

 

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Best answer by Maxime_MARCHETTO1

Hello @DevLoper ,   

The product you are using is a clone of a genuine ST product. 

To get the support you need, please contact the third party you purchased this product from.  

For assurance of buying authentic ST products, we recommend purchasing exclusively through our official distributors, which you can find listed here: ST Official Distributors.  

Best regards,  

Maxime

2 replies

TDK
Super User
January 27, 2026

Looks hooked up correctly to me, except SWDIO/SWCLK may be swapped since they have the same color.

Consider getting a genuine board like NUCLEO-F103RB.

NUCLEO-F103RB | Product - STMicroelectronics

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DevLoper
DevLoperAuthor
Associate
January 27, 2026

I've tried swapping them around maybe 10 times. Don't think of it as a card; I'll remove this MCU from this card and mount it on my own card, and I'll do the debugging and compilation work there, but I haven't gotten past the connection stage yet :) :).

Andrew Neil
Super User
January 27, 2026

@DevLoper wrote:

but I haven't gotten past the connection stage yet :) :).


All the more reason to start with a known-good board like a Nucleo!

Then you would have the ST-Link all fully wired and ready to go.

And this would give you a known-good reference for when you move on to your own board.

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
Community Manager
March 4, 2026

Hello @DevLoper ,   

The product you are using is a clone of a genuine ST product. 

To get the support you need, please contact the third party you purchased this product from.  

For assurance of buying authentic ST products, we recommend purchasing exclusively through our official distributors, which you can find listed here: ST Official Distributors.  

Best regards,  

Maxime