I recently built a simple electromagnetic field (EMF) detector based on a code by Christian Figge that I found on the web. My design includes a 10-LED bar graph (from eBay), which I used to display ...

You never know what kind of wonders you’ll find on eBay, especially when you have a bunch of alerts configured to go off when weird electronic devices pop up. You may even find yourself bidding on ...

Electromagnetic interference problems can be a real headache to debug. If you need to prove what causes your WiFi to slow down or your digital TV signal to drop, then the ability to measure ...

The concern over electromagnetic fields (EMFs) has grown significantly in a world increasingly dominated by electronic devices. With everything from smartphones and Wi-Fi routers to microwaves and ...