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 ...

Traditional OGI cameras make invisible gas leaks visible, but evaluating leak severity often relies on offline analysis and subjective judgment. The RG630 Series overcomes this limitation with ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

As temperatures dropped below freezing in New York City last month, boilers in the basements of city buildings insulated New Yorkers from the cold. But they often rely on a fuel that pumps greenhouse ...

Marc Santos is a Guides Staff Writer from the Philippines with a BA in Communication Arts and over six years of experience in writing gaming news and guides. He plays just about everything, from ...

A federal judge has extended a temporary order that limits federal law enforcement officers from using certain kinds of force outside the U.S. Immigration and Customs Enforcement building in Portland.

BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.

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

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Under the second Trump administration, displays of force against protesters have ...

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 ...

Xanadu is said to be the only ATF Accelerant Detection K-9 in the entire state of Arizona, and she recently helped crack a ...