LGR Blerbs | Testing a Vortex PC66 Keyboard on an IBM PCjr @LGRBlerbs | Uploaded January 2023 | Updated October 2024, 1 day ago.
When I received a new Vortex PCjr styled mechanical keyboard recently, I halfheartedly lamented the fact that the USB-only keyboard couldn't connect to a real IBM PCjr computer from 1983. But what if it could? Here's how!

Pertinent links:
USB4VC
tindie.com/products/dekunukem/usb4vc-usb-inputs-on-retro-computers

TexElec PCjr Joystick & Keyboard Breakout Board
texelec.com/product/ibm-pcjr-joystick-and-keyboard-breakout-board

Vortex PC66 USB & Wireless Keyboard
https://vortexgear.store/products/pc-66-66-key