The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

Researchers at Rice University have developed EyeDAR, a compact, orange-sized radar sensor for safety ...

Arduino has just announced the Arduino Matter Discovery Bundle (AKX00081), an all-in-one development kit designed to help ...

Shark's New Robot Vacuum Uses a Blacklight to See How Gross Your Floors Are ...

Across the U.S., hundreds of sites on land or in lakes and rivers are heavily contaminated with hazardous waste produced by human activity. Many of these places, designated as Superfund sites by the ...

The DNA foundation model Evo 2 has been published in the journal Nature. Trained on the DNA of over 100,000 species across ...

The app, called Nearby Glasses, has one sole purpose: Look for smart glasses nearby and warn you.

This week the telescope revealed its first real-time sky alerts, issuing 800,000 alerts for transient events in just one night, February 24, 2026. Some of these were variable stars – which go through ...

Editor's Note: January 29, 2026: We've checked to make sure that our recommendations are still available and competitively priced. We’re in the process of testing a new round of metal detectors to ...