1003 B
1003 B
A simply DIY using an arduino.
An EMF (electromagnetic field) meter is a device used to measure electromagnetic radiation in a given area.
EMF meters are used to detect and measure the strength of electromagnetic fields emitted by various sources, such as electrical appliances, power lines, wireless devices, and other electronic equipment. The full article goes in length here.
The EMF detector described in this video has a minimal number of components, which means that it is simple to make, and does not require any tuning. It works great right from the first power on.