Real C64 keyboard for MiSTer FPGA and VICE Emulation - YouTube
USB Commodore 64 keyboard mod | Hackaday.io
The C64 used as a USB Keyboard - YouTube
COMMODORE 64 USB KEYBOARD FOR BMC64 (Poor man's "Keyrah" ) - Share Project - PCBWay
Overview | Commodore Keyboard to USB HID with CircuitPython | Adafruit Learning System
GitHub - DJSures/Commodore-64-USB-Keyboard: An Arduino Micro firmware for making a C64 keyboard into a USB HID device. This uses the REAL keyboard key mapping of the C64, not the PC mapping.
COMMODORE 64 USB KEYBOARD FOR BMC64 (Poor man's "Keyrah" ) - Share Project - PCBWay
C64 USB Keyboard works with iPad
Customize the keyboard of the Commodore 64 | nIGHTFALL Blog / RetroComputerMania.com