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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Forum Posts

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...

esb8_1-1752587329727.png esb8_2-1752587453594.png
esb8 by Associate
  • 65 Views
  • 0 replies
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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
  • 196 Views
  • 4 replies
  • 2 kudos

Resolved! LDO Power Supply for STM32H757A

Hello everyone,I've noticed that several users have experienced issues related to the LDO power supply setup for the STM32H757A. I’m currently working on a design using this MCU in LDO mode, and I’d like to confirm whether my power supply implementat...

Schematic.png
Ronil by Senior
  • 123 Views
  • 4 replies
  • 0 kudos

Resolved! Blink User LED on Nucleo-F439ZI

I want to let the user LEDs blinken, however it is not working. When I run the code the LD4(COM) is blinking red and green. after the run the LD4(COM) is red the whole time and the user LEDs do not blink. Should the LD4(COM) be lighting green?

ap44 by Associate II
  • 233 Views
  • 11 replies
  • 6 kudos

Resolved! STM32H7471-DISCO Schematic

Hi Community,I am about to work on STM32H7471-DISCO Development BoardCan you provide Schematic of this Board.I found all the technical documents from https://www.st.com/en/evaluation-tools/stm32h747i-disco.html# but I do not found board schematic.