Matt Mets on X: "ESP32 trick: Use your microSD jack as a JTAG connector! The ESP32 JTAG pins are all shared with the SDMMC bus, so you can use a microSD breakout
HDD GURU FORUMS • View topic - eMCP pinout H9TP17ABLDMC possible with SD adapter?
2019 Student Build - Part C: Add Wires to the SD adapter - YouTube
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SD Adaptor, to use SD flash cards with Teensy, Arduino and other AVR boards
spi - Make an SD card installed on PCB readable through USB - Electrical Engineering Stack Exchange
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