July 27, 2025

Step-by-step guide to interface an SD card with STM32 using SPI and DMA. Tis tutorial covers CubeMX setup, FATFS init, SPI‑DMA config, and read/write file operations. The project is available to download at the end of the post.

Learn how to configure the built‑in RTC on STM32 using HAL and CubeMX. Includes setting time, date, alarms, LCD display, VBAT backup – step‑by‑step guide. The project is available for download at the end of the post.