Awesome
PS1CardLink
PlayStation 1 Memory Card reader
Hardware requirements:
- USB-TTL adapter connected to RX, TX and GND points of PlayStation serial port.
- PlayStation capable of booting burned CD-Rs (modchip, swap method or cheat cartridge).
Software requirements:
- ImgBurn or other burning software.
- MemcardRex 1.8+.
Instructions:
Burn the Ps1CardLink ISO image to a blank CD-R and run the software on your console.
When you see a GUI of the application connect a Memory Card to either slot and use controller so select it.
Open MemcardRex and go to Options->Preferences and set up COM port.
Now you can use hardware options in MemcardRex to communicate with device.