USB-to-SDIO host IC brings microSD-compatibility to USB ports
CYUSB3025 Controller Datasheet pdf - Peripheral Controller. Equivalent, Catalog
spi - Make an SD card installed on PCB readable through USB - Electrical Engineering Stack Exchange
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
10pcs SMD ESP8266EX WiFi Wireless IC Chip with SDIO 2.0 SPI UART Interface | eBay
USB-to-SDIO host bridge IC operates at 480Mbit/s
Ultra Fash USB 2.0 Hub and Multi-Format Flash Media ... - SMSC
Amazon.com: Stemedu USB to ESP8266 ESP-01 Serial Wireless Transceiver 4MB SPI Flash WiFi Module ESP-01S Prog WiFi Programmer Downloader CH340C Chip with Reset Button : Electronics