Abstract: Erratic power supply owing to the inability of public power supply utilities (PHCN) to meet the populace's demands has necessitated an alternative or emergency source of power supply (such ...

Recently, we’ve seen Design Ideas for programmable current sources with improved accuracy using the LM3x7 series of three-legged regulators. These designs also take advantage of those classic devices’ ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Want to read, speak, or write in a new language but aren't sure where to start? These are the top language learning apps we've tested, no matter your budget, goals, or prior experience. I'm an expert ...

Meet the BBC micro:bit, a pocket-sized codeable computer. The BBC micro:bit is a pocket-sized codeable computer with motion detection, a built-in compass and Bluetooth technology, which was given free ...

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ago, the ...

More than half the people released with an ankle monitor since those devices were introduced in Manitoba in August 2024 were rearrested or broke the rules of their release while wearing one, recent ...

If you have an Android smartphone, you likely want it to last as long as possible, especially if you’ve spent upwards of $1,000 on a flagship model. You probably have a case to protect it physically, ...