David Buckley - Zero2 Microrobot
SINCLAIR TIMEX 1000 PERSONAL COMPUTER WITH MANUAL,POWER SUPPLIES WITH GAMES | #3819792789
Hardware - z00m's speccy corner
Replacement PSU for +2A or +3 Machines - Spectrum for Everyone
power - How and why did the ZX Spectrum use so many voltages? - Retrocomputing Stack Exchange
ZX80 hardware page
Memotech MTX 512 - Projects : Hardware hacks
Sinclair ZX Spectrum clone (CIP-03) power supply
Switching power supply repair - Electrical Engineering Stack Exchange
Sinclair ZX Spectrum 128k+2 (Grey) Restoration – Adam's Vintage Computer Restorations
Hardware - z00m's speccy corner
Repair Sinclair Spectrum +3 Power Supply | nIGHTFALL Blog / RetroComputerMania.com
ZX Spectrum PSU - power supply unit for ZX Spectrum +2A +2B and +3
Sinclair ZX Spectrum Issue 2 Computer
ZX Spectrum - Wikipedia
Hardware - z00m's speccy corner
Amazon.com: UpBright 10V 700mA 0.7A Universal AC/DC Adapter Compatible with Lego Mindstorms EV3 NXT 45517 10VDC 0.7 A - 1 A Lithium-ion Batteries 10VDC 0.7A -1A 700 mA - 1000mA Power Supply
ZX Spectrum +2A – Old Crap Vintage Computing
50+ years of Sinclair Z-30 amplifier and 40+ years of my DIY mods | Audio Science Review (ASR) Forum
SINCLAIR QL DOCUMENTATION
Sinclair Spectrum 128k +2A/B Power Supply (PSU) – Common Fix and Causes of Failure – Mark Fixes Stuff – Retro game repair and reviews
