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

Reading a speed sensor on L432KC Nucleo

I'm using a reed switch (a pulse per revolution) to measure the speed of a wheel. The sensor output is connected to PA12 which is TIM1_ETR pin. I connected it there by mistake in my final PCB. I would have to tweak the PCB if I want to change tim...

xpp07 by Senior
  • 917 Views
  • 6 replies
  • 0 kudos

CubeMX 4.26 - new problems with STM32L4 USB device

Posted on June 11, 2018 at 16:58I tried to re-create my 4 well-tested USB device demos with 4.26. While HID mouse and MSC work flawlessly, two others do not work:CDC - COM port shows in device manager but cannot be opened in terminal; same basic cod...

gbm by Principal
  • 1452 Views
  • 11 replies
  • 0 kudos

USART1 behaved abnormal

hello allI established a virtual com port using a 4G modem, connected it with my F413ZH USART1.I used a DMA channel for RX. set HAL_UART_Receive_DMA(&huart1, (uint8_t *)&RxS0, 1);I could get datas from it at first. DMA2_Stream0_IRQHandler() will be c...

STM32F7 ADC Sampling Calculation

Hello, I'm using ADC with DMA of STM32F7 MCU. I want to calculate the ADC Sampling Rate. Is there a formula that I can use ? With 12Bit resolution, Is it possible to reach 2.4MSPS ? I'm using CubeMX for code generation.

STM32L052K8U + DS3232M I2C not respond

Hi, everybody. I have a problem, can not connect via I2C with RTC. Use a microcontroller and RTC STM32L052K8U DS3232M. Used library HAL. From the watch constantly comes NACK. The wizard sends the correct address (I'm sure of that, but just in case I ...

0690X000006C12jQAC.png 0690X000006C12oQAC.png 0690X000006C12tQAC.png