STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32G431 ADC Glitches when triggered by timer

I have an STM32G431 doing FOC on a little gimbal motor, but am getting strange noise on the current sense ADC when it's being triggered by TIM3. It shows up as random spikes, which values always end up being dividable by 8. Weird thing is, if I have ...

file-20251014202501327.png DavidKoster_0-1761512625706.png DavidKoster_1-1761512690407.png

Resolved! UART loopback test receives only first character

Hi all, I have an STM32L071VBT6 and want to test the UART functionality. I configured UART4 RX and TX and physically connected them to do a loopback test.  I define 2 arrays to start with /* USER CODE BEGIN PV */ uint8_t Send_buffer[] = "Gateway tes...

AADW_0-1761570191480.png
AADW by Associate
  • 196 Views
  • 3 replies
  • 2 kudos

Resolved! STM32F401/RM0368 bad GPIOA->MODER reset value

As reported here, this is obviously incorrect.Also, this has been already reported by Uwe Bonnes for 'F411/RM0383, which has indeed been corrected in the registers description, but the GPIO register map still contains the incorrect value. So, could S...

0693W00000QN7YeQAL.png

Resolved! Timer Problem driving Neopixel (WS2812) LED

Hi everyone. I am driving a Neopixel LED with a PWM signal in DMA mode using a timer. Even though all variables are the same, my code works with timer 3, but the same code doesn't work with timer 2 with the same timer configuration. Why could this be...

Resolved! SRC236 Sample rate converter, noisy

Hy,I have tried to resample a 16bit/8kHz audio signal to 16kHz and 48kHz.Conversion works, but the audio is noisy. I am tested it on development board STM32H747 CM7 core.I have tried libraries: SRC236_CM7_GCC.a and SRC236HQ_CM7_GCC.a without quality ...

KBéla.1 by Associate III
  • 1504 Views
  • 10 replies
  • 6 kudos

STM32H7 DMA issue

HelloMy current requirement is to generate an FSK waveform with two frequencies around 3-5 MHz, a rate of about 700K, and output a square wave using PWM. The method involves switching frequencies by updating ARR and CCR using two timers—one for PWM o...

zhaowhong by Associate III
  • 303 Views
  • 6 replies
  • 0 kudos

Resolved! The “Virtual Port Comm” issue on STM32F407

Hi everyone.I tried adding USB_OTG_FS/Virtual Port Comm to STM32F407VET6 as a device only, but the problem is that when I try to connect the STM32 USB to my PC/laptop, it says “USB not recognized” on my PC/laptop, and I think it might be a problem wi...

images.jpeg stm32f407vet6-mini-development-board-development-boards-motorobit-35797-34-B.jpg
No_Name by Associate III
  • 139 Views
  • 1 replies
  • 0 kudos