sd mmc slot not working
MacBook Pro (Intel-based) - Wikipedia
uni SD Card Reader, High-Speed USB C to Micro SD Card Adapter USB 3.0 Dual Slots, Memory Card Reader for SD/Micro SD/SDHC/SDXC/MMC, Compatible with MacBook Pro/Air, Chromebook, Android Galaxy.
ESP32 with SD and SD_MMC don't work together very well.
Features -2 slots: SD/MMC + Micro SD/t-flash -Rts5306 Chipset -LED indicator for working status -build in card cover.
SIM Card Tray For iPhone 15 Pro/15 Pro Max – SIM Card Slot – SIM ...
Amazon.com: uni USB-C SD 4.0 Card Reader, UHS-II SD Card Adapter, High Speed Memory Card Reader for Micro SD, SD, SDXC, SDHC, RS-MMC, SD Card Reader Type-C Compatible with MacBook Pro/Air, Laptop, Tablet, etc : Electronics.