STM32 MCUs Embedded software

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How to interface SD card with Nucleo-H503

Hii, I have been trying to interface Nucleo-H503 with SD card adapter which has SPI pins to interface, in stm32cubeide i selected SPI1 and FileX in the middleware. But unable to get how to write code for it for creating file and saving Helloworld in ...

Resolved! EXTI strange behavior on stm32h7r3z8t6

Hi, I am building a custom board with stm32h7r3z8t6.  Have a problem with EXTI function: I use 2 EXTIs - EXTI8 in PD8 and EXTI9 on PC8. Both are defined as rising edge interrupt sources. Both pulled down and without any signal. Both are toggling LEDs...

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