The Open Source Cart Reader consists out of a PCB that connects an Arduino Mega to different modules and a cartridge slot adapter.     

- [Needed Parts](https://github.com/sanni/cartreader/wiki/Parts-needed)   
- [Build Guide](https://github.com/sanni/cartreader/wiki/Build-Guide)    

You can view the schematic and the PCB files using a free and open source programm called [KiCad](https://downloads.kicad.org/kicad/windows/explore/nightlies).   
To design your own adapters you can follow this [tutorial](https://github.com/sanni/cartreader/wiki/Designing-your-own-Adapters)