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 2021
Today we will look at some of the best sports radar guns used in sports. Typically, radar guns are used in law enforcement to catch speeders. However, athletes, coaches, and …
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 …
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Best FPGA Development Board in 2020
Like humans have a brain which helps them to process information, machines have a CPU or processor which provides the same functionality. A CPU is a general purpose machine brain …
How to make a Really Simple Radio Transmitter and Receiver
Building a simple transmitter and receiver is the quickest way to get started on your journey into the world of RF. It is also a lot of fun. This tutorial …
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The HackRF PortaPack
The HackRF is our top SDR pick for many reasons. We love the accessibility, the community and the open source philosophy around this product. With a frequency range of 6 …
The Best ADS-B receiver for 2020 & 2021
Automatic dependent surveillance-broadcast (ADS-B) technology enables aircraft to determine their position using satellite and periodically broadcast this location information. ADS-B receivers can decode this signal and track the position of …
Best FM transmitter for Drive-in Movies, Church Parking Lot and Outdoor Events in 2021
What is an FM transmitter? An FM Transmitter is a device that is designed to accept an audio signal from the source device such as MP3 players or microphones and …
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Turning a Cable Modem into an SDR
In this really interesting and well-documented post, the author stdw, explains how he reverse-engineered a cable modem and turned it into a software-defined radio. The cable modem stdw reverse-engineered was …
Best Ham Radio Antenna for 2020 and 2021
Ham Radio, also known as Amateur Radio, is a non-commercial radio service that connects millions of radio enthusiasts around the globe. People use Ham Radio for education, fun, and it …