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.
Forum Posts
Best STM32 board that’s low cost & has lots of io
Hi I’m looking for a low cost STM32 board that I can use to control a mosfet, take various digital/serial inputs and be controlled by a touch screen. If anyone could recommend a board in the $30-40 range and lots of io, similar to arduino mega if pos...
What is the peripheral (circuit label ) diagram of STM32L476RGT6U?
I'm working with STM Nucleo-L476. I want to mount the IC STM32L476RGT6U on my PCB. I got the footprint successfully; however, I'm unable to find the peripheral connection of the particular IC. I got the pin diagram clearly and know exactly where my s...
Resolved! On STM32G431 is the BOOT0 pin (PB8) no pull-ups or weak pullup?
On the STM32G431x6/x8/xB UFQFPN48 I've been assuming that BOOT0 pin PB8 was a weak pull-up during reset, but in trying to track this I think it has no pull-ups/ pull-downs. Is this the case?
ST-LINK upgrade under Linux fails, do other options exist?
There were several issues so I am not certain which is the real issue.I am using STM32CubeIDE version 1.1.0Note I believe ST needs to consider more carefully how to install things and give direction when something seems wrong in installation. I belie...
Resolved! Is it ok to connect an ST-LINK V2 to a board which has a powered 3.3V rail?
I ask because I need to test the analogue part of a (custom) board which is powered from 12V, but also generates a 3.3V rail from that. I'd prefer to leave the ST-LINK connected if at all possible.
Resolved! How to connect VREF+ pin on stm32F722RET6?
I am designing a custom PCB using STM32F722RET6. How to connect the VREF+ pin(13) on the SMT32F722RET6?.As per the hardware development manual, it says"The VREF+ pin can be connected to the VDDA external power supply"and then, "VDDA=VDD and VSSA=VSS...
Resolved! In NUCLEO-L432KC Is it possible to use pins PB6 and PB7 if I have allocated pins PA9 and PA10 for the I2C1 port?
Hi ST community,I'm working with NUCLEO L432KC and in my application I need to use I2C1 port. Using STM32CubeMX to generate the project, I could see that when I enable the I2C1 port, Automatically the CubeMX allocate the PA9 and P10 pins. For my appl...
Miniature KNX transceiver - search for circuit faults
As part of a project work of my studies I have designed a board with which I want to read a KNX bus. Unfortunately, two identical prototypes broke down and I'm not sure why (the components were soldered cleanly and the PCB also made a very good impre...
Resolved! Don't drive LEDs from these pins. "PC13, PC14 and PC15 are supplied through the power switch". What does this power switch really do?
SummaryAt the end of the day, my issue is missing something in documentation. The lesson here, is test thoroughly. Just because it works for a few minutes, doesn't mean forever. Anyway, I've been running >3mA through the pins that are limited before ...
