A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of metal approached. [Łukasz Podkalicki] shows us ...

A traditional early project for someone discovering a love for electronics has been for many years a metal detector. This would mean a few transistors back in the day, but today it’s more likely to ...

Armed with metal detectors, curious explorers are finding historical objects every day. For example, Bob Podhrasky, COO, senior vice president, and director of engineering at metal detector ...

It’s time for Top 10 electronic circuit and projects in 2010! Let’s see the most viewed articles on electroschematics.com. We will see some interesting facts about what people look for in electronics ...

Let’s see the top 10 electronic circuits and projects for September 2010. As you probably know, we publish this top 10 on monthly bases and we try to show you the most viewed articles on ...