MK4001MTD-USB-Bridge

MK4001MTD USB Bridge RP2040 Pico firmware that bridges a Toshiba MK4001MTD 0.85" SDIO microdrive as a USB Mass Storage device. The MK4001MTD is a 4 GB Microdrive originally used in the Nokia N91 music phone and some other devices, like MP3 players or USB drives, back when flash storage was still...