Sinclair ZX81: ZX2020 composite video mod, DCDC converter upgrade and more
19:52
Restoring and Exploring a 1981 Sinclair ZX81
19:27
ZX81 repair
41:30
Lets Take A Look At The Sinclair ZX81 (+composite mod)
22:53
Sinclair ZX81 Spruce Up (Composite, 16K, Keyboard & More!)
15:44
ZX81 Composite Video Mod - Fit and Test
13:34
Acorn BBC Master 128: TurboSPI install (with bonus 6522 VIA chip fail) + colour composite mod
13:00
Repairing and Restoring a 43 Year Old Computer - Sinclair ZX81
15:21