Summit783

Member Since: November 12, 2013

Country: United States

  • I’m not sure about the STM32F4, as long as it has some type of SPI module, you should be fine.

    But internal resistors will not be strong enough, here’s a promising webpage I found about SD cards and PIC projects. Even if you’re using a diff mcu (microcontroller) the main takeaways are the same (1) use a library to comm with the SD card and (2) have some resistors on the lines from your mcu to the SD card. This is the link: http://www.studentcompanion.co.za/post/2013/09/29/Interfacing-SD-Card-With-PIC-Microcontroller-MikroC

  • Yeah you may need some resistors on the SPI lines actually. I would recommend “SD Card Projects Using the PIC Microcontroller” by Dogan Ibrahim. He walks you through a variety of different projects, near the end he has a data logging project. Even if you’re not using a PIC, it may still be worth a look so that you know what to be cognizant of with your circuit.

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