While thinking about my bathroom mirror light project (https://www.edn.com/elegant-bathroom-mirror-lights/), I was surprised to note that there are many dedicated ...

The look and feel of just about every gadget imaginable could be changed by technology supplied by a pair of Chicago-area companies that are promoting a major switch switch. It’s a subtle, but ...

• Trapped acoustic resonance is most simply described with an analogy: the ringing of a bell. • Microprocessors control the frequency of the mechanical resonance and monitors its decay. • A thicker ...

This is a very simple touch light switch circuit that uses the 4011 IC, one transistor and a relay. The C1 capacitor stores the switching state at a certain time and is charged or discharged according ...

Researchers at Carnegie Mellon University have created a new way to turn almost any surface into a touchpad with just a little conductive spray paint. The system, called Electrick, uses a technique ...