via http://zx81.zx81.free.fr/serendipity...adrive-v2.html
Hi,
Here is a picture of the new version (a bit less ugly than the prototype)
http://zx81.zx81.free.fr/images/psx2mega-box2.jpg
For very few euros you can build your own. I used MPlab for the development and MiniPro for PIC programming.
All the schematics and source code, hex files and all informations are
here.
Enjoy,
Zx