ZX81 still awesome after 40 years!
5:02
Raspberry Pi Pico Overclocking, beware there is a catch!
13:30
Sinclair ZX81 Repair - White Screen and No Cursor
17:13
1981 SINCLAIR ZX81 Review, Fix, Modern Mods & Games
28:09
ZX-81 memory mod, case & keyboard restoration, test-drive (Pimp My Eight, episode 4, part 3)
17:06
ZX81 Goes Nuclear - Controlling a Nuclear Power Plant
13:00
Repairing and Restoring a 43 Year Old Computer - Sinclair ZX81
15:21
How to install a ZX81 16K Ram expansion - 10 minute mod!
14:13