STM32 Rant Video #3 - SDIO 4B Really Works!

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In a previous video we worked with SD card using the SDIO peripheral. SDIO can run in 1-bit or 4-bit mode but some viewers claimed that 4-bit mode does not work. Well, it does work it just require a few tricks when initializing.

Watch on Youtube here: https://www.youtube.com/watch?v=L8gfZCnjct8

Complete list of our STM32 Rant Videos here: STM32 Rant Video

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