Using a single GPIO port on a microcontroller to control N bits of arbitrary parallel binary outputs, e.g., a multi-digital display.

You may or may not be reading this on a smartphone, but odds are that even if you aren’t, you own one. Well, possess one, ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Dave Gershgorn Dave Gershgorn is a writer covering monitors, laptops, and ...

All 4K TVs offer a sharp image, but resolution is really just the starting point. What separates the best 4K TVs from the rest comes down to contrast, color performance, and brightness. And though ...