CNX Software

Raspberry Pi SBC gets (analog and) digital radio HAT with AM, FM, DAB, DAB+, HD radio

Yesterday, I wrote about a 2-year-old open-source hardware ESP32-based DAB+ receiver project, but it turns out there's also a ...
CNX Software

Flash Bee – An ESP32-C3-based DIY handheld lightning detector

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...
IEEE

A Coaxially Located K/Ka-Band Shared Aperture Dual Circularly Polarized Phased Array Antenna

Abstract: This letter presents a compact dual-band, dual-circularly polarized shared-aperture phased array antenna for K/Ka-band satellite applications. The K- and Ka-band antennas are stacked ...
CNET

I Set My Radon Worries to Rest With a Gadget That Puts Testing Kits to Shame

Airthings offers a permanent solution for monitoring radon gas levels anywhere in your home, along with ways to track ...
IEEE

Compact Wideband Millimeter-Wave Metalens Antenna Array with Independent 2-D Beam Steering for Low-Altitude Air-to-Ground Communications

Abstract: This paper presents a compact multibeam metalens antenna array (MAA) for wideband millimeter-wave air-to-ground (A2G) communications. The proposed design integrates a 2 ttttttttttttt 2 ...
Hosted on MSN

This DIY WiFi gun antenna can capture signals from far away

Learn how a homemade WiFi gun style antenna can boost signal strength and extend wireless range. This DIY project shows the concept behind building a powerful directional WiFi antenna to capture ...
Hosted on MSN

Seasonic MAGFLOW ARGB - Lian Li O11 AIR MINI build

Seasonic sent us some of their new, rather expensive MagFlow argb fans and Leo decided what better way to show them than by building a little system inside the Lian Li 011 Air Mini. 00:00 Start 00:42 ...