Triple Controller - MiSTer/Analogue Pocket Adapter from Timville on Tindie
GitHub - iw0rm3r/SNES_mini_gamepad_USB_converter: Extremely simple Arduino Uno converter of Nintendo's SNES mini controllers to USB
DIY Game Controllers
Game Controllers Using USB Host Shield | Hackaday
Nano 3.0 Controller Compatible With For Arduino Nano Ch340 Usb Driver With Cable Nano V3.0 Atmega328p Type-c / Micro Usb - Integrated Circuits - AliExpress
Teensyduino: Using USB Joystick with Teensy on the Arduino IDE
Make your own USB Joystick using Arduino! Awesome Remote Controller for Robotics and PC Gaming - YouTube
How To Program The Pro Micro (atmega32u4) As A USB Gamepad Controller With Arduino - tinkerBOY
Mini Type-C Micro USB with Bootloader Compatible Controller for Arduino Nano 3.0 | eBay
USB Shield Arduino + Servo Control PS3 – Electronics and Projects
Mini Type-C Micro USB with Bootloader Compatible Controller for Arduino Nano 3.0 | eBay
16M 5V Mini USB Nano V3.0 ATmega328 Micro-controller For Arduino+Cable A3GS | eBay
DIY Joystick Game Controller using Arduino Leonardo and Joystick Module
Amazon.com: ELEGOO UNO R3 Controller Board ATmega328P with USB Cable, Compatible with Arduino IDE : Electronics
Arduino Micro - USB Joystick - YouTube
DIY Joystick Game Controller using Arduino Leonardo and Joystick Module
Teensyduino: Using USB Joystick with Teensy on the Arduino IDE