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, ...

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...

A tanker truck fleet that installed $150 blinking amber lights to the back of their trucks reported a 33.7% drop in rear-end collisions over a 31-month period, according to company officials. In ...