stm32h753 rtc resets after power down (vbat is connected)

Hello, I am using a stm32h753 and stm32cubemx, and trying to run the RTC module on VBAT. To do this I have connected a battery to the MCU. RTC is connected to LSE. Next, I set the RTC in my code and...
NUCLEO64 USB HID not working ? getting HAL_OK but NO SIGNAL

So I am using Nucleo64 (303RE) board for USB HID mouse project. As you know, it does not have second USB port for USB applications but it does have PINS that can act as DM, DP (USB minus, plus data...
Which arm microcontroller to choose?

Hello everyone! I wanted to learn about the ARM microcontrollers....about the architecture and coding. Which microcontroller should I buy? I read somewhere that I should buy the STM32 discovery board...
Trouble getting values with I2C using HAL_Library

I cant get values with I2C using HAL_Library .I use HAL_I2C_Mem_Read and I cant manage ,maybe my adress wrong I didnt understand please help int main(void) { HAL_Init(); SystemClock_Config(); ...
What's wrong when watchpoint doesn't watch?

I've been trying to get a watchpoint to trigger, but no luck. There should be 4 watchpoints accordíng to DBGDIDR, DBGDSCR=0x0204000e, so there shouldn't be any problems there? I use (just in case) the...