STM32 MCUs Products

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USART TX DMA on STM32G031

Hello I need to send a string via USART every 500ms. I tried to use DMA that seems to be easy to configure. USART transfer works but only without DMA (test in while main cycle). I do not see any problem in DMA configuration. Can you tell me it there ...

Resolved! Nucleo - F207ZG RTC Time Drift

Greetings Everybody, I have Nucleo - F207ZG board. I have attached external 3.0 V coin battery to VBat and GND. I am configuring board for RTC peripheral. After configuring RTC time and again rechecking after 1 day the time starts to move ahead or ti...

STM Virtual Com port win11 driver needed

hello, where can i download win11 STM virtual com port?  i install both VCP_V1.5.0_Setup_w7_x64_64bits and W8_x86_32bit all not working ! i din seeSTM Virtual Com port at device manager! only STM STLink visual com port appear ... 

StanJerm by Associate III
  • 12923 Views
  • 10 replies
  • 3 kudos

Resolved! STM32 Timer Encoder mode delayed by 400ms

I am using two quadrature encoders through the STM32F411CEU6 timer encoder mode. Here is the graph for one of their CNT values:As you can see, it takes about 400ms to update the value, but when it does, it seems accurate. How can I make it so that it...

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Nv7 by Associate II
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  • 2 replies
  • 0 kudos

Resolved! Can LPTIM fire two different interrupts?

Posted on April 26, 2018 at 09:34Hello all. My problem is as follows.I would like to set an event in the future, lets say 950ms, at one specific point in the code. Then I would like to set the STM32L432 in Stop2 mode, wake up the MCU near the event,...

Resolved! STM32F4 Buzzer

Hello guys !I am new at the embedded systems and I am trying figure it out ! I am using STM32F446VET7.I connected my buzzer to an GPIO pin(PB12) which has no pwm speciliaties.But my buzzer is not working when I connected to the DC signal source like ...

testbenchmark_0-1722452246106.png testbenchmark_1-1722452306142.png