Portable Raspberry Pi Arcade Machine: Starforce Pi Technabob (blog) You can find a ton of DIY guides and kits to make arcade machines based on the Raspberry Pi , but if you're willing to pay to play, watch out for Marcel de Haan and Hartmut Wendt's Starforce Pi, a compact retro arcade machine with an internal battery.

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Portable Raspberry Pi Arcade Machine: Starforce Pi – Technabob (blog)