CRT test pattern generator built on M5StickC PLUS2 outputs PAL/NTSC composite patterns, making quick on-site CRT checks easy ...
[The LED Artist] often found a need for a relatively high voltage (100 to 200 Volt) but low current DC power supply, and it turns out that a small HV generator that uses a single AA cell only took ...
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 ...