About Jelurol

Jelurol · 2021-04-30

Hello,I am using a Nucleo F446RE board, and I have developped a small program that works fine as long as the board is connected to the PC with the USB cable.Once the program has been tested, I have removed the USB cable and used E5V external power su...

Jelurol · 2021-07-16

Hello,As I mentionned in my last comment, the problem is easy to reproduce for any expert to analyze (and solve) : just create an empty project and configure the clock to use HSE (in "BYPASS Clock Source" mode) for "PLL Source Mux", instead of HSI. T...

Jelurol · 2021-05-01

Thanks for your answer.I have started a new test project from scratch that just makes the user LED blink to check the board is ok, and it does work fine even so the USB is not connected...Then, I have added my new code bit by bit to find out which pa...

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Nucleo board stuck when starting without USB connection

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