Interfacing a NES Control Pad to an Arduino – [Brads Electronic Projects]
GUIDE] NES Gamepad to Atari Controller - sudomod
NES Controller Interface with an Arduino UNO - Projects
Joystick with 2 button support - English Amiga Board
Make a USB NES Controller : 9 Steps (with Pictures) - Instructables
NES Controller Interface with an Arduino UNO - Projects
Nintendo NES Controller Tinned Wire Repair / Project Cable - 6 Foot (1.8M)
SNES/NES gamepad (and mouse) to USB adapter
GUIDE] NES Gamepad to Atari Controller - sudomod
Amazon.com: JoFong 7 Pin Classic NES Controller for NES 8-Bit (1985 Version) Entertainment System Console, Plug and Play Wired Video Gamepad Joystick - 2 Pack, Note Not for NES Classic (2016) : Video Games
NES Classic Mini Controller Teardown - YouTube - YouTube
Famicom and NES controller modding
Sega Mega Drive / Genesis 3-Button (A,B,C) Controller – Raspberryfield – IT, video games and comics