When working around mains voltages, it can be useful to know whether a given circuit is live or not. While this can be done by direct connection with a multimeter, non-contact methods are available… ...

Simple Metal Detector Circuit. January 31, 2009 by Received by Email Comments 60. Advertisement. The metal detector circuit shown here must represent the limits of simplicity for a metal detector, yet ...

Simple And Inexpensive Heartbeat Detector. 8 Comments . by: Rick Osgood. January 11, 2015. Title: Copy. Short Link: Copy. There are many ways to detect a ... This circuit uses a method known as ...

During the summer, household fires in India surge due to electrical overloads and outdated wiring from increased appliance ...

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 ...

Short circuits are relatively common, but they can be dangerous and a warning sign of a possible electrical hazard, so it's important to know what short circuits are and how to prevent them in ...

The LEDs are yellow for on, red for shorted, red flashing for disconnected, and “off” for off. The short- and open-circuit detection can be enabled or disabled for each input/output. IP20 EtherNet/IP ...

A team of researchers at NYU Tandon School of Engineering has developed a novel method to detect hidden GPS tracking devices in vehicles, offering new hope to victims of technology-enabled domestic ...

Siemens has now rounded out its range of products for monitoring power distribution grids by introducing the short-circuit and ground-fault detection device Sicam FSI. In order to continuously improve ...