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
  • 156 Views
  • 4 replies
  • 3 kudos

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
  • 153 Views
  • 7 replies
  • 2 kudos

STM32F411 USB Boot Issuee

Hello, I have been having issues trying to get my STM32F411 PCB working with the USB-C bootloader, currently the device is not even being recognized at all by my computer. When checking with a multimeter I have found that D+ is not pulled high by the...

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esb8 by Associate
  • 55 Views
  • 0 replies
  • 0 kudos

Two board I2C communication

Iam Using 2 STM32F407VGT6 board one as master and another board as slave from Master side it is Transmitting but slave is showing the Bus error both Master and slave iam using in the inturrept mode  

Screenshot 2025-07-09 112323.png
Adi3 by Associate
  • 176 Views
  • 4 replies
  • 2 kudos