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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I2C pin voltage is at 3.5V

I'm using the i2c on a nucleo stm32h723 board. I'm using pins PB8 and PB9 on the board. I have the pins connected to a scope. I notice that when I have the internal pullups of the board on the voltage is at 3.5V and if I dont use the internal pullup,...

jasd33p by Associate II
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Resolved! Bypass Capacitors on NUCLEO-H723

I am trying to design my own board using the STM32H723ZGT and using the nucleo schematic as a guide. I believed 100nf was typical for the VDD pin bypass capacitors however there is one pin(pin 62) with a 4.7uf capacitor instead. I understand the VBAT...

Screenshot 2024-09-09 201627.png
gigtrent by Associate
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IR Output Polarity

Hi, I have built an RC5 IR remote transmitter that almost works on a NUCLEO-L412RB-P, with modifications to the files found in x-cube-irremote. This unfortunately does not have an STM32L4 example.The bit I am having trouble with is the output polarit...

Lanceh by Associate II
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Resolved! STM32F469-DISCO revision confusion

HiI own a STM32F469-Discovery Board bought in 2021. There seem to be (at least) two revisions of that board, "B" & "C" and maybe "A". Under "CAD Resources" are just schematics for Revision "B" and "C".If I try to run the supplied example for that boa...

PGroe.2 by Associate III
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  • 6 replies
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