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Resolved! STM32L053DISCO - How to enable 3V_O or 5V_O

In the document UM1775 there is stated the following:"5 V and 3 V can be used as output power supplies when an extension board isconnected to pins P2 and P3....In this case, the 5V_O and 3V_O pins deliver a 5 V or 3.3 V power supply and thepower cons...

Thomas L. by Associate III
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Invalid voltage level on STM32H743 at reset

I'm using several Nucleo-H743ZI boards. At reset (reset handler) the bit ACTVOSRDY in PWR_CSR1 is 1 on one board and 0 on the other. 0 means "voltage level invalid, above or below current VOS". The current VOS is of course the default one at reset, i...

Gpeti by Senior II
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STM32L476 development board: starting point

Hi,I bought a STM32L476 board. I started with the demo available in keil uVision and it worked fine easily, but it is closed, you cannot modify anything.My question is: may I follow the MOOC with this board? instructions require a different specific ...

MFaun.1 by Associate II
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STM32L4 workshop

Does anyone have the files or materials used in the MOOC STM32L4 workshop by any chance?thanks.https://www.st.com/content/st_com/en/support/learning/stm32-education/stm32-moocs/stm32l4-hands-on-workshop.html

JWANG1 by Associate
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Cannot access SD cards larger than 8G

I made a small wav-music player with a STM32L452. Reads data from SD card via SD 1 bit mode, and plays it over the DAC. Homemade jukebox, fun little project.My problem is: while all the small cards (up to 8 gig) I tested are o.k, larger cards do not ...

maelli by Associate II
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STM32F30x DMA configuration

I'm implementing two channels of DMA in my STM32F302x using Timer 2 in input capture mode. Do I really need the HAL_DMA_RegisterCallback callback function? I'm using DMA interrupt mode so each channel has a DMA1_Channelx_IRQHandler that performs the ...

BTrem.1 by Senior II
  • 357 Views
  • 1 replies
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STM32F3 Comparator Interrupt not Generating

HI All,I Have the STM32F302R8. I am using comparator 2. What I want to do is have DACH1 feed a value to the inverting input and have PA7 connected to the non inverting input. For now, I am just wanting to generate an interrupt to get things working ...

glenn0010 by Associate III
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  • 5 replies
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