ESP32-SPI-dat

Pin	VSPI	HSPI
3V3	3.3V
CS	io 5	15 / 27
CLK	io 18	14
MISO	io 19	12
MOSI	io 23	13
GND	GND

SPI arduino define

#define VSPI_MISO   MISO
#define VSPI_MOSI   MOSI
#define VSPI_SCLK   SCK
#define VSPI_SS     SS  

#define HSPI_MISO   12
#define HSPI_MOSI   13
#define HSPI_SCLK   14
#define HSPI_SS     15

sketch refer to here:

hspi.begin(HSPI_CLK, HSPI_MISO, HSPI_MOSI, HSPI_SS);

#include "FS.h"
#include "SD.h"
#include "SPI.h"

SPIClass spiSD(HSPI);
#define SD_CS 15

void setup() {
    Serial.begin(115200);
    spiSD.begin(14, 12, 13, SD_CS ); //SCK, MISO, MOSI, SS //HSPI1 // hspi.begin(HSPI_CLK, HSPI_MISO, HSPI_MOSI, HSPI_SS);

    if (!SD.begin( SD_CS, spiSD )) {
        // if(!SD.begin()){
            Serial.println("Card Mount Failed");
            return;
        }
}

void loop() {
}

• RA-01-dat