ZX-VGA-JOY – ZX Spectrum VGA and Joystick interface
ZX Spectrum PSU - power supply unit for ZX Spectrum +2A +2B and +3
Amazon.com: SOUTHSKY Video Converter , Composite RCA AV to VGA, S Video to VGA,VGA to VGA, Adapter Box,Compatible with TV,PC,Monitor,Laptop,DVD,CCTV Camera : Electronics
ESP32 Basic PC With VGA Output : 7 Steps - Instructables
Indie Retro News: ZX-VGA-JOY - A fabulous speccy hardware review by dakidski!