STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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nucleo-L412KB powering from 3.3V

Hi,I'm powering nucleo with 3.3V directly to CN4/14 +3V3. SB14, SB9 are removed, JP1 is open. Works fine, BUT current is much higher than measured over JP1 when powered from USB?? USB is powering U5V which is powering ST- link 5V and 3V3 which is a '...

ristoH by Associate
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