Tyler Lacoma has spent more than 10 years testing tech and studying the latest web tool to help keep readers current. He's here for you when you need a how-to guide, explainer, review, or list of the ...

Occasionally, we get to catch a glimpse of the hidden tests that ensure our technology-infused world runs smoothly: color bars on TV or blocks of “lorem ipsum” gibberish text. There’s a fascinating ...

Are you old enough to remember growing up with no more than three or four TV stations to watch…and something called a test pattern when the stations were not broadcasting? Yes, TV actually signed off ...

[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 ...