It is a pretty common first project to use an Arduino (or similar) to blink an LED. Which, of course, brings taunts of: you could have used a 555! You can, of course, also use any sort of oscillator, ...

If you’ve ever been concerned about privacy in a rental space or hotel room, you might have considered trying one of the many “spy camera detectors” sold online. In the video after break [Big Clive], ...

In the cellular handset market, the inclusion of high pixel count imagers integrated into the handset is almost standard. As the resolution of these imagers increases, the need for brighter flash ...