- Day 1 - Where it all began, original ZX81 USB keyboard
- Day 2 - Acorn Electron USB keyboard
- Day 3 - Sinclair QL USB Keyboard
- Day 4 - ZX Spectrum Plus USB Keyboard Plus USB Joystick
- Day 5 - Amstrad CPC464 USB keyboard
- Day 6 - Acorn Electron with Raspberry Pi
- Day 7 - ZX Spectrum +2 Pi with USB Joystick
- Day 8 - ZX Spectrum LMT 68FX2 Case Mod Case Mod
- Day 9 - PIC20 - VIC20 with Raspberry Pi
- Day 10 - ZX Spectrim+2 +USB hub
- Day 11 - Commodore 16 USB keyboard with Pi2
- Day 12 - Commodore Amiga 500 USB keyboard
- Day 13 - Commodore 64 Time Shared USB Keyboard
- Day 14 - Commodore plus/4 USB keyboard kit
- Day 15 - Commodore Amiga 500 with Pi 2
- Day 16 - Commodore 64 USB keyboard with dual joystick ports
- Day 17 - Commodore 64 Pi 2
- Day 18 - ZX Spectrum Pi Zero
- Day 19 - BBC Micro USB Keyboard Kit
- Day 20 - ZX Spectrum Pi Zero with microSD
- Day 21 - Atari ST USB Keyboard kit
- Day 22 - TRS80 Model 4 USB keyboard
- Day 23 - VIC20 USB keyboard with USB hub
- Day 24 - Atari ST PC with i7
- Day 25 - Day off to watch Doctor Who Christmas Special
Normal service will continue with more Commodore PET repairs in the new year.
2023 Update
USB Keyboard Controller Kits are available from my Sell My Retro store: