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 ...
Geeky Gadgets

µChart optic test card lets you check your phone camera, lenses, and other optics

If you are interested in testing your phone camera lenses and optics, you may be interested in a new testing card name, the µChart. Created by the team responsible for the iMicro Q range of microscope ...
Hackaday

test pattern

[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 is checking ...