Shortwave radio enthusiasts are sure to know the problem: You're trying to tune in to your favorite global broadcast only to find that the signal is fuzzy. Is it you? Your equipment? It might just be ...

Learn how to make a simple device for monitoring the state of the ionosphere and the quality of shortwave signals using the CA3089 chip. Shortwave Propagation is the way radio waves in the 3 to 30 MHz ...

Abstract: I want to find out what happens when we bring machine learning to cheap, robust devices that can have all kinds of sensors and work in all kinds of environments. And I want you to help. The ...

In this video, I take a multimeter and show you how to use various functions on the multimeter on how to test a few different things, showing continuity, resistance, voltage, and amperage. What is ...

Arduino boards power everything from robots to RGB lights, but they're a little on the small side. YouTuber UncleStem has his own solution: build a gigantic, yet fully functional one. In a video ...

Abstract: The solar PV system's performance is greatly affected by environmental uncertainties, making its conversion efficiency very low. Therefore, a novel error ...

Jumperless V5 is a one-of-a-kind, programmable breadboard based on a Raspberry Pi RP2350B microcontroller that lets you skip the jumper wires and jump right into prototyping. It is described as “an ...

Kannada and Tamil TV actor Nandini CM dies by suicide in Bengaluru From software job to smuggling ring: How a Bengaluru techie became the ‘lady don’ of cross-border ganja racket Ukraine peace talks to ...

3D print and build an Arduino Pistol-grip Transmitter for controlling Remote Control cars. Today, we’re assembling and wiring a 3D printed Arduino-based pistol-grip radio transmitter that operates ...