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

This section defines the network credentials and server details required for sending the email. The ESP32-CAM connects to ...

Researchers from Guangxi University, China have developed a new gas sensor that detects ammonia with a record speed of 1.4 ...

Researchers have developed a highly sensitive light-based sensor that can detect extremely low concentrations of cancer biomarkers in the blood. The new technology could one day make it possible to ...

Conventional thermostats are based on separate temperature sensor and heater devices with means for feedback between them. But in some recent EDN design ideas (DIs) we’ve seen thermostat designs that ...

Rapid advances in sensing technologies and artificial intelligence are transforming how we observe, understand, and manage ...

The image sensor is arguably the most important component in a digital video or still camera. But these sensors are also notoriously non-standardized. They tend to differ in the schemes used for: ...

It’s no exaggeration to say the ’00s have been the decade when the electronic sensor left the factory floor and went, well, everywhere. Manufacturers and retailers use RFID tags to track inventory.

To the extent that you’re familiar with magnetostriction, you probably know that it’s what makes big transformers hum, or that it’s what tips you off if you happen to walk out of a store without ...

Security is easiest when you are the password: You don’t have to memorize complicated keywords, but simply hold your face up to the camera or your finger on a sensor — and you can access your computer ...