USB Wired Game Controllers for PC/Raspberry Pi Gamepad Remote Dual Shock Joysticks Joypad for PC(Windows XP/7/8/10) & Steam/Roblox/RetroPie/RecalBox : Video Games
Build Your Own USB HID Joystick Device and Game Controller - DZone IoT
Using the Button Shortcuts on a USB Joystick - Button Mapping Scenarios
10 Best Joy2Key Alternatives - Rigorous Themes
Xpadder: Use Your PC Gamepad Instead of Keyboard - RetroGaming with Racketboy
Arduino Leonardo/Micro As Game Controller/Joystick : 10 Steps - Instructables