Imagine a world where microcontrollers (MCUs) and development boards operate without batteries. Energy-harvesting technology now makes this a practical ...

Advances in embedded systems and sensors have enabled efficient, intelligent surveillance solutions that improve safety and ...

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

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 4-H program offers more than 200 projects, but if youth want to explore a topic not on the list, they can create their own. It’s an opportunity for members to go beyond the scope of their current ...

Yeckel] recently put the finishing touches on an ambitious implementation of a simple D-STAR (Digital Smart Technologies for Amateur Radio) transceiver using some very accessible and affordable ...

The WS2812B has become one of the most popular addressable LEDs out there. They’re easy to drive from just about any ...

In recent years, integrated platforms equipped with microcontrollers (with Arduino probably being the best-known brand) have been gaining popularity.

The next major release, .NET 11, should arrive in November 2026, and the project recently unveiled its first public preview. Like earlier first looks, it’s nowhere near feature complete, with several ...

Botanical sensors are turning greenery into living data networks while monitoring plant health and optimizing yields.

This simple 4093-based audio peak detector from December 2004 monitors music and turns on a small light when the sound gets ...

James Bruton’s one-ball bike balances and moves omni-directionally; each omni-wheel uses 216 bearings, but steering is ...