1. Download the latest pre-made image (https://github.com/sixteenbit/core-system/releases)
2. Unzip so that you have an .img file
3. Use Etcher or Apple Pi Baker to copy img to SD card
4. Create a blank file named ssh on the root of the card which enables ssh (optional)
5. Create a file named wpa_supplicant.conf on the root of the card with your WiFi credentials. Example. (optional)

• GPIO controller settings for Retrogame
• Settings for USB audio
• Recommended overclocking from RetroPie
• Battery monitor script for ADS1115
• Overall optimizations for gameplay
• Custom splashscreen
• Theme optimized for smaller screens
• Localization updated to English (US)

This image of RetroPie is pre-configured to use Retrogame to setup the GPIO controller. If you need to make some customizations, edit /boot/retrogame.cfg. For more information, please see Configuring Retrogame

host: retropie-gbz
user: pi
password: raspberry