This circuit is not complex, but it saved the day in an application involving visual inspection of the spray pattern of fuel injectors for quality and consistency. In this application, xenon strobe ...

Discover the step-by-step process of creating a powerful music reactive LED strip circuit in this comprehensive tutorial.

Created by Jennifer Lewis and Brett Walker, Circuit Scribe is a rollerball pen that can draw functioning circuits with silver ink. The research started at the University of Illinois and now the ...

"You can build circuits straight on to paper, even in a spiral notebook," says Jie Qi, a member of the High-Low Tech Group at the Media Lab. Here she explains how to draw your connections.

If an LED pilot lamp is used in battery powered circuits, it will unnecessarily consume power. This circuit lights an LED at power on and after one minute it will turns off. The circuit uses a Zener ...

This circuit simulates an alarm to discourage thieves and it is originally designed to be used on bicycles but can be used for cars too. It blinks a LED on and off thus simulating a real alarm circuit ...