This zip file has everything to help you to create your own PofoDuino : interface to upload file from a windows into an ATARI Porfolio.
Hardware : parallel interface for ATARI Porfolio, one Arduino Micro , one SUB 25.
- Schematic and Gerbert files
- source code of the windows App
- source code of the Arduino
- Source code for a very basic application from ATARI Porfolio
The code inside the Arduino is base on the amazin job of Klaus Peich : https://github.com/skudi/transfolio