kirk33 / snestogamecube

Code for building a SNES to GameCube adapter.

SNES to GameCube adapter

Code for building a SNES to GameCube controller adapter. Also works with the 8Bitdo Retro Receiver

Software Requirements

• Arduino IDE (tested on 1.8.1)
• Arduino Nintendo Library by NicoHood

Hardware

Parts

• Logic Level Converter 5v <-> 3.3v
• Arduino Pro Mini (5v 16MHz)
• USB -> Serial adapter if your Arduino comes without USB.
• 1kΩ Resistor
• Female SNES controller port (SNES extension cable)
• Male GameCube controller connector (GameCube extension cable)

Wiring

The colors of the wires in the cables may not match between the original controller and the extension cable, below is the mapping for my cables the colors may be different for you.

SNES pinout

Type	Original Controller	Extension Cable
5v	white	green
clock	yellow	yellow
latch	orange	white
data	red	red
gnd	brown	black

GameCube Pinout

Type	Original Controller	Extension Cable
gnd	Black	blue
gnd	white	red
gnd	green	blue
data	red	yellow
5v	yellow	brown
3.3v	blue	white