Instant AC Power Filtering

wanUnHKSIYSYOlU1

You’ve been working hard at your Arduino-based servo project, and so far it’s working great. Time to untether it from your computer and let it run on its own, right? It works fine on USB power. It works fine on a 9-volt battery (while it lasts). You plug it into... Read more »

Nighttime Disaster Photography

yMnku1FXk1kJ2mAu

It’s a lovely day for an outing with the family in the park…until the storm comes out of nowhere. Suddenly, trees are down, property is damaged, you and the outside world are cut off from each other. With the news crews unable to reach the scene, the camera person closest... Read more »