"Where did my pet go?" If you have a pet, you've probably asked this question at least once. One moment they're playing ...

This project implements a portable weather station using an Arduino Mega 2560, an ESP32 DevKit, a DHT22 temperature and humidity sensor, a rain sensor (both analog and digital outputs), and an LDR ...

Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing ...

With camping and hiking season in full swing, you might be looking for a convenient way to charge your devices while off the grid. Portable solar panels and solar battery chargers are an easy-to-use ...

Portable toolboxes are a convenience for many of us, but for laborers on job sites, mobile auto repair technicians, and even specialists like electrical line workers, they can be a necessity. For ...

Power banks are big rechargeable batteries with built-in USB ports, and their flexibility and portability make them one of the most useful accessories you can carry for keeping your devices topped up.

NBC Selected independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Harry Rabinowitz Tech Reporter Justin Redman If you ...

Patrick Gallagher has a decade of experience testing products from kitchen appliances to home security essentials, focusing on what matters most. Some can cost upwards of £700, but we've found a Great ...

Rather than dealing with the bulk of a gaming laptop, handheld gaming PCs keep far more compact dimensions, making it easier to play from just about anywhere. Even though these devices are obviously ...

Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...