This project contains scripts for enabling 15Khz RGB for your retro gaming setup with retropie.
It needs the hardware addon pi2scart or pi2jamma to output the proper image on a CRT screen.
Please goto http://www.arcadeforge.de and get this awesome gadget.
Download latest retropie and install it as described on retropie wiki. Connect Keyboard. Activate wiki. In emulationstation press F4 to get cmd shell
Type
git clone https://github.com/arcadeforge/RetroPieRGB
cd RetroPieRGB
sudo ./setup.sh