How to Make an EMF Detector
In part 1 of this article we talked about how an EMF meter works. In this article we’ll look at how to build one yourself. In this video, Collin shows …
How Does an EMF Meter Work?
In a previous post, we reviewed the best EMF meters. In this post we provide an overview of the main electronic building blocks in an EMF meter and how they …
Mapping Wi-Fi Signals in High Resolution
In this post, cnlohr has mapped the strength of his Wi-Fi signal in three dimensions. For this experiment he has used an ESP8266 embedded Wi-Fi module that can communicate any …
The Best Sports Radar Gun in 2024
Looking for a sports radar gun? They’re great for coaches, players, and sports fans to measure speed. Our review looks at different radar guns to find the best ones. We’ll …
Displaying Weather Images in a Picture Frame with RTL-SDR
We came across a very interesting project by user ThePhotoChemist on Reddit. At the intersection of art and science, ThePhotoChemist has designed a system to receive and display weather satellite …