STM32 MCUs products

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Resolved! L412 ADC gets different results on consecutive reads

I am using STM32L412KBU and read in different ADC channels.Now I see that the first read returns 23451, the second read immediately after returns 20338.I use x16 OVS, hence the big numbers.After the second read, values seem to become stable.external ...

b.a. by Associate III
  • 10 replies
  • 2 kudos

Resolved! stm32g030f6 rtc vdd/vdda no vbat

Hi, I am planning to use stm32g030f6 and also use RTC peripheral with super cap to keep date. However, this IC does not have VBAT pin. Reading datasheet said, that RTC domain can also be supplied from VDD/VDDA pin, but this means that when a voltage ...

JCuna.1 by Senior
  • 7 replies
  • 1 kudos


Hi,I am working on freertos plus tcp library with STM32H563ZI, but how must I make memory otions in linker file?like: RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 320KFLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048KRAM1 (xrw) : ORIGIN = 0x20000000, LENG...

Recep by Associate II
  • 8 replies
  • 1 kudos

How to write data efficiently to an SD card ?

I am writing data to an SD card for a data logger application, but I have very little experience with writing to SD cards so I want to ensure I am writing the data efficiently.My understanding is that data is written as a sector of 512 bytes.  So eve...

johngj_2-1707419795099.png johngj_3-1707421018110.png
johngj by Associate III
  • 3 replies
  • 5 kudos

Resolved! STM32G431 - ADC + DMA using HAL not working

Hi,I am trying to make the ADC + DMA work a STM32G431CBT6 using STM32CubeIDE and the HAL library. I am used to making it work on other families like the STM32f103 etc.. However, here, when I program the processor using the debug mode and watch the co...

Resolved! How to use HAL_UART_Receive_IT to receive uart data?

Hi all, What is the correct flow to use HAL_UART_Receive_IT() to receive uart data?The first package is lost first its first char,Here is the flow used now, From the gif, you can see "H" is missing for 1st package, and all normal for others.The probl...

E-John by Associate III
  • 6 replies
  • 3 kudos

STM32U5xx: USB ECM on Windows - please license driver

My USB ECM project on NUCLEO-U575 and NUCLEO-U5A5 - it works now, on all OS platforms. This project and demo for a STM32U575I-EV (where I have converted from) needs a vendor driver on Windows.Windows does n...

tjaekel by Senior
  • 0 replies
  • 0 kudos

Feedback Requested on general approached used for ADC

Hello, reaching out to see if anyone can provide some thoughts on a project I'm working on.  The project works but though I'm a longtime Arduino developer this is my first STM32 project - so not 100% sure of some of the parameters I've chosen are the...

Joystick.png adc.png
nollstead by Associate III
  • 0 replies
  • 0 kudos