Building a Handheld Game Console from Scratch

A couple of years ago I started building my own handheld game console. What began as a Raspberry Pi project eventually became something considerably more involved, going through two complete iterations before arriving at something I was genuinely happy with. The first version ran on a Raspberry Pi 4 with a graphical interface written in C++ using Raylib. It worked, and for a first attempt it held up well. Over time though, the limitations became clear. The sealed casing had no ventilation, causi