Elektor Magazine

CRT Test Pattern Generator Fits in Your Pocket

CRT test pattern generator built on M5StickC PLUS2 outputs PAL/NTSC composite patterns, making quick on-site CRT checks easy ...
Hackaday

Pocket-sized Test Pattern Generator Helps Check Those CRTs

Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one ...
Ars Technica

Could someone capture an NTSC test pattern?

Basically, the title says it all. I need to calibrate some video hardware and I don't want to spring for a test pattern generator (god those things are expensive!). So if anyone has an AVI or MPEG of ...
Hackaday

pattern generator

CRTs don’t last forever, and neither do the electronics that drive them. When you have a screen starting to go wonky, then you need a way to troubleshoot which is at fault. A great tool for that is a ...