I did a thing! - Converted a BBC Micro keyboard to work over USB. : r/MechanicalKeyboards
Mini Bluetooth Keyboard – Black : ID 3601 : $12.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Chill KB-1BT Wireless Bluetooth Micro Keyboard (Nordic)
Inland iC102 USB Keyboard & Mouse Combo - White - Micro Center
Left Hand Small Keyboard Gaming Keyboard K108 Mechanical One-Handed Keyboard For PUBG Mobile Game | Wish
Micro Innovations Advanta Windows 95/98 Keyboard- KB400i 788875500824 | eBay
Wireless Illuminated Super Tiny Keyboard
NIZ Keyboard MICRO 82 Capacitive Keyboard
Amazon.com: Super Mini Wired Keyboard, MCSaite Full Size 78 Keys Keypad Small Portable Fit with Professional or Industrial Use for Computer Laptop Mac Notebook : Electronics
GeekCable Mechanical Keyboard Theme Line IQUNIX Color Matching F96 Avocado Type-C Mini-USB Micro Keyboard Data Cable - AliExpress
Logitech G PRO Mechanical Gaming Keyboard, Ultra Portable Tenkeyless Design, Detachable Micro USB Cable, 16.8 Million Color LIGHTSYNC RGB Backlit Keys - Walmart.com
Micro 82 White – NIZ Store
Wired tablet keyboard w/stand (Type-C and Micro-USB connectors) Colors Black