SD Adaptor, to use SD flash cards with Teensy, Arduino and other AVR boards
U0909A (USB2.0 9 Pin Header to SD Card Reader)
How a USB Memory Card Reader Works? Pinout - ETechnoG
How To Make Card Reader | Micro SD Card Reader | DIY Sd Card Reader | Make Micro Sd Card Reader - YouTube
Arduino Micro SD Card Module Tutorial - How SD Card Module Works and How to use it with Arduino
USB Pinout, Wiring and How It Works | ElectroSchematics
SD and Micro SD card pins with description and functions
Recover Data from SD card using USB Data cable (memory card) - YouTube
MicroSD Pinout: A Step-by-step Guide
How to properly make an microSD card SPI circuit schematic : r/AskElectronics
ESP32 JTAG Debugging can be done through a MicroSD Card Socket - CNX Software
How to build a device to read SPI/SDIO input and convert to USB to read/write data onto a USB storage device from a 9-pin SD card interface? : r/embedded