// Some model of cheap Yellow display works only at 40Mhz // #define DISPLAY_SPI_SPEED 40000000L // 40MHz #define DISPLAY_SPI_SPEED 80000000L // 80MHz #define SD_SPI_SPEED 80000000L // 80Mhz ...

I wanted to play Game Boy Advance games on the GameCube using a SFC controller, so I built a converter.

The board in this article is not a dedicated board limited to a specific communication standard. The basic policy is to first build a stable 8-input/8-output I/O board using the ESP32-C6 + MCP23017, ...