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! 5VLED is on when powerde by Vbat

I have Nucleo-L452RE-P and want to try out battery backup for RTC.I connected a CR2032 to Morpho connector 19 (-) and 33 (+) and when I pull the USB plug, the 5V LED LD2 remains on, although a bit less bright.How can that be?

b.a. by Associate III
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  • 3 replies
  • 1 kudos

Resolved! Nucleo-G491RE and opamp1

I am using Nucleo-G491RE. I am debugging through the built-in ST-Link using STM32CubeIDE 1.18.1. My design uses opamp1 in standalone mode, which assigns OPAMP1_VOUT to PA2 and OPAMP1_VINM to PA3. What configuration of solder bridges will bring these ...

Resolved! STM32N6 Boot Pins

Hello, I have the STM32N6570-DK kit. I can compile, upload and debug by following the instructions on the kit. I designed my own board but I can't debug. I'm reviewing all the possibilities and I noticed some problems. I couldn't find any explanation...

Okeskin_0-1750684981208.png Okeskin_1-1750684998046.png Okeskin_2-1750685049416.png Okeskin_3-1750685155649.png
Okeskin by Associate III
  • 339 Views
  • 6 replies
  • 2 kudos

Resolved! I2C between two NUCLEO-F446RE boards

Hi, I am trying to use a Nucleo-F446re as master and another one as slave. But the master is probably being timed out (not sure). Can you guys please have a look at my code and configuration. Thanks in advance <3  My Wiring:1. I connected PB8 & PB9 o...

Asif17r by Associate II
  • 789 Views
  • 9 replies
  • 5 kudos