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B-WL5M-SUBG1 (MB1779B) and V3minie

dam74
Associate II

Hi,

i'm trying to work with Sigfox and MB1779B board.

I try to connect with cube programmer and V3miniE.

here is the log :

dam74_0-1739290535898.png

is there a procedure to connect to board ?

thank you

10 REPLIES 10

@aweber_schaller wrote:

Looks like you have removed JMP2!

If jumper removed, the VDD is disonnected from 3V3 so the STM32WL5MOCH6S has no power!


That seems like a really poor design choice on the debug connector:

AndrewNeil_2-1739353632401.png

So the debug probe will report that the target has power - when it doesn't!

As shown in the OP:

AndrewNeil_1-1739353448695.png

@STTwo-32