Arcade Bonnet for Raspberry Pi Adafruit Arcade Bonnet for Raspberry Pi makes small emulator projects easier to build for retro gaming on a Raspberry Pi. The Arcade Bonnet can be used to design a custom arcade console, a desktop or stand-up machine, or just a simple controller box with the help of buttons and a joystick. The Arcade Bonnet is sold as a mini-kit, with the Bonnet and headers that need to be soldered in to attach it to a Raspberry Pi. It only takes a few minutes, but a soldering iron and solder are required.