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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Resolved! Nucleo g431kb: What does "DNF" mean ?

good morning, I am wondering what the DNF means in my datasheet: does it mean there is no connection between pb3 and the LED? then i am wondering if i can use PB3 for other instances, and i am also wondering why there is this DNF instead of just not ...

Capture d’écran 2025-07-16 à 08.50.49.png
Jad by Senior
  • 224 Views
  • 4 replies
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Nucleo-H753ZI connection error

I am a beginner at stm32 Nucleo board, when I connect the board and the Lap, LD5 turns green but LD4 turns to green/red blinking, which means the voltage is correct but the MCU has no response or connection error. Could you please help with that?

DeMar by Associate II
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  • 7 replies
  • 2 kudos