For an interactive kiosk, you need a full operating system. An Arduino or ESP32 can handle sensor input and LED strips, but rendering a 1080p game with touch input and audio requires a proper Linux ...

A stepper motor bug in a PLACITECH build turned out to be LED-update timing in code rather than a failed motor driver.

Transmitting analog video via photons is old hat: that’s how everything started, after all, back in the day with over-the-air TV. Up the frequency of those photons from radio to visible ...

Organic LEDs are light emitting diodes (LEDs) that use polymers or small organic molecules as their optically active element. Development of organic LEDs is driven in particular by its potential as a ...

Smartphones may give us an easy access to a light source, but for seeing objects at a distance or brightening a workspace in places like the attic or under the sink, you need the power and range of a ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Rachel Cericola Rachel Cericola is a writer covering smart home. In addition to testing ...

When we last left off, I had just set up a new SLA resin printer and was on the verge of doing the initial round of printing to see just how resin printing in 2026 compares to way back in 2020.