The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for ...

In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

Deep canyons in the Andes are the perfect location to catch the most energetic particles in the universe. Carlos ...

I’ve been thinking about color a lot lately—what shade of lip liner accentuates my lips, what paint color would look best on the walls of my new apartment, which heel matches my favorite dress. Up ...

Both image photodetector arrays and retinas are pixelated sensors that dynamically extract various features from the visual scene—e.g., color, brightness, and contrast—before transmitting electrical ...

Astrophotographer Emil Andronic captured a gorgeous blue reflection nebula glowing inside the red clouds of Orion's Head in ...

There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that we’re getting a clearer picture. Perhaps unsurprisingly the ...

Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era ...

The bright colors of the sponges have a meaning tied to their intended use. Here's a guide to sponge colors and when to use each type. David lives in Brooklyn where he's spent more than a decade ...