Amazon.com: 2 Pack USB N64 Controller, iNNEXT N64 Wired PC Gamepad Joystick for Windows PC MAC Linux Raspberry Pi Genesis Higan Project 64 Retropie OpenEmu Emulator (Plug & Play) (Green+Orange) : Video
How to Set Up a Xbox 360 Controller on Project64: 11 Steps
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How to Use a USB Controller With Project64 : 3 Steps - Instructables