A pair of alternating flashing LEDs makes an excellent visual alarm. One of the LEDs remains illuminated, so there's little chance the alarm will go undetected, even by a casual glance. Several ...

This circuit is used to simulate the police car lights by alternating flashing strobes seen on British police cars. The IC1a forms a square wave oscillator having adjustable frequency with VR1 to give ...

The ubiquitous LED continues to expand frontiers and applications with a plethora of sizes, colors, and output lumens. Flashing LEDs that incorporate internal electronics for oscillation offer ...

Checking a text on your mobile phone while crossing the road might seem harmless, but if you are unaware of the traffic flying by it could have tragic consequences. A QUT study found flashing LED ...

LANSING – Winter – skid season – is upon us, making curves slipperier and more dangerous. Now a new study done in Northern Michigan shows that flashing LED lights on signs near curves can successfully ...