arduino-esp32/libraries/SD
Me No Dev 5502879a5b
v2.0.0 Add support for ESP32S2 and update ESP-IDF to 4.4 (#4996)
This is very much still work in progress and much more will change before the final 2.0.0

Some APIs have changed. New libraries have been added. LittleFS included.

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Co-authored-by: Seon Rozenblum <seonr@3sprockets.com>
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2021-04-05 14:23:58 +03:00
..
examples Unify time modification on SD and SPIFFS (#738) 2018-03-04 21:20:34 +01:00
src v2.0.0 Add support for ESP32S2 and update ESP-IDF to 4.4 (#4996) 2021-04-05 14:23:58 +03:00
library.properties Add FS, SD and SD_MMC (#256) 2017-03-10 15:25:38 +01:00
README.md SD library explanation (#262) 2017-03-14 14:53:59 +01:00

SD library

This library provides the integration of ESP32 and SD (Secure Digital) cards without additional modules.

Sample wiring diagram:

SD card pins

For others SD formats:

Other SD card formats

Image source: Wikipedia

- Warning: Some ESP32 modules have different pinouts!

FAQ:

Do I need any additional modules, like Arduino SD module?

No, just wire your SD card directly to ESP32.

What is the difference between SD and SD_MMC libraries?

SD runs on SPI, and SD_MMC uses the SDMMC hardware bus on the ESP32.

Can I change the CS pin?

Yes, just use: SD.begin(CSpin)