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 ...

I know it’s St. Patrick’s Day, but sometimes the photographer in me really hates color editing green ...

Since the 1960s, boron–dipyrromethene dyes, commonly called BODIPY dyes, have been widely used for their strong fluorescence, especially in bioimaging, molecular and ion sensing, and as ...

A team led by La Trobe University has drawn inspiration from nature to develop a breakthrough sensor that can rapidly track ...

Color perception seems self-evident. Red, green, blue, yellow, pink and violet seem obvious to most people, but between dark red, blood red and scarlet, the nuances are more subtle. Lightspark Design ...

Just one more nail in the coffin: the B251 uses an external power brick. The monitor isn't small overall, nor thin by any means, and it only needs 60 watts. Relying on a desk-cluttering external power ...

A special filter helps hummers easily spot the hue, but that's not the same as a natural attraction. Artificial dyes in ...

A dial for everything you need to know ...

The Raspberry Pi line of single-board computers can be hooked up with a wide range of compatible cameras. There are a number ...

Colors in Bloom” is Color Factory Chicago’s spring installation, an immersive experience celebrating Chicago’s iconic tulips. General manager, Trisha Palmer joined us with ...