I made a PSPgo micro sd card adaptor, and so can you! Maybe, well, probably not, it's not easy. : r/PSP
Pro Duo adaptors : Important speed discovery!!! : r/PSP
Amazon.com: PSP Memory Stick Adapter, Funturbo Micro SD to Memory Stick PRO Duo MagicGate Card for Sony Playstation Portable, Camera, Handycam : Electronics
Micro SD Memory Card Adapter for the PSP Go – Genius Game Mods
Memory Stick PRO Duo adapter for Sony & PSP Memory Card Adapter for Micro SD To MS Pro Duo Adaptor with 8G 16G 32G TF Card|Replacement Parts & Accessories| - AliExpress
PSP Go M2 to Micro SD Adaptor. Looks like there is another person making these. And these are plug and play compared to the other ones. : r/PSP
The Silicon Power 128GB MicroSD Card, Linux, and the PSP | Delightly Linux
PSP Dual Slot Micro SD/SDHC to Memory Stick Pro Duo Adapter Reader – kasynparts
Amazon.com: PSP Memory Stick Adapter, Funturbo Micro SD to Memory Stick PRO Duo MagicGate Card for Sony Playstation Portable, Camera, Handycam : Electronics
PSP Go Memory Adapter Now Available (Use Micro SD on PSP Go) | NeoGAF
PSP Hacks: How to Setup Memory Stick Pro Duo Micro SD Card Adapter Dual and Single | Tutorial 2020 - YouTube