USB-Keyboard with Arduino and V-USB library, an example - petrockblock
Arduino Uno not working as usb HID interface - Arduino Stack Exchange
How to EMULATE STM32F103 as a MOUSE || CubeIDE || USB HID DEVICE - YouTube
work in progress » V-USB tutorial (software-only usb for mega & tiny)
CH9329 module UART/TTL serial port to USB HID full keyboard mouse driver-free game development box - AliExpress
atmega328 - Using usb port to communicate with standalone atmega328p circuit - Arduino Stack Exchange
Weeks 11-12: AVR USB Devices and Programming
AZDelivery Scheda AZ-Atmega328-Board con Atmega328 CH340 Chip versione saldata con Cavo USB, compatibile Con AZ-Atmega328-Board con eBook : Amazon.it: Informatica
USB-keyboard/HID-interface using VUSB and ATmega328 based Arduino courtesy of
V-USB on an ATmega328! - V-USB and HID Explained - YouTube