2 layers68.3 × 57.7 mm

Sdmux4
hnz1102/sdcdmux-emmc
SD CARD and eMMC Device Multiplexer with Infrared Remote Controller
115 parts16MIT
KiCad boards from 2 GitHub repositories tagged “emmc”, the most starred first; open any of them in PCBKit.

hnz1102/sdcdmux-emmc
SD CARD and eMMC Device Multiplexer with Infrared Remote Controller

hnz1102/shared-usb-memory
USB Memory with One-touch Switching Between Two Device Connections

hnz1102/sdcdmux-emmc
SD CARD and eMMC Device Multiplexer with Infrared Remote Controller

hnz1102/sdcdmux-emmc
SD CARD and eMMC Device Multiplexer with Infrared Remote Controller