We may receive a commission on purchases made from links. Smart sensors aren't just for turning lights on when you walk into a room. There's all manner of fun and clever ways to use them around your ...

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 ...

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 ...

This section defines the network credentials and server details required for sending the email. The ESP32-CAM connects to WiFi using the SSID and password. The host address, HTTPS port (443), and API ...

Where motion sensor meets LED guide light for the ultimate fusion of hands-free convenience, energy efficiency, and effortless safety. NEWPORT BEACH, CA, UNITED ...

This is a simple project in which a HC-SR501 PIR sensor is used to detect motion in a room. MQTT is used as the message broke between NodeRed and Rust running on a Raspberry Pi 4. The code detects the ...

Let’s face it: As we age, our vision and balance aren’t what they used to be. These changes to our senses can be minor annoyances but can also lead to injury, from stubbed toes to serious falls.

With Christmas a little over two weeks ago, one might be scrambling to find a gift for a loved one, friend, or family member. If you’re familiar with Arduino or Raspberry Pi and have a free weekend, ...

Now in its sixth year, the Cornell project team CU GeoData bridges engineering and earth sciences to design and deploy environmental sensors, including a sensor network across the Finger Lakes and a ...

Philips Hue used IFA 2025 to debut the Hue Bridge Pro, a major upgrade to its smart home hub. As someone who’s relied on the Hue ecosystem for years, what excites me most about this new bridge is the ...