Repair/Restoration Part 1: 2 x ZX81 and a Happy 40th Anniversary!
30:25
Repair/Restoration Part 2: ZX81 Ram Pack, Composit Mod & Internal 16K Upgrade
18:53
How the Apple 1 computer works.
16:01
D flip-flop
8:54
Germany’s Far-Right Comeback | NYT Opinion
19:52
Restoring and Exploring a 1981 Sinclair ZX81
42:46
Can I fix an eBay spares repairs ZX81 with an AliExpress Oscilloscope?
30:17
Repair/Restoration: Oric-1
21:08