Casey Halverson has launched a new piece of Arduino compatible hardware he has designed and built called the Arduino HamShield. That is capable of enabling your Arduino project to communicate with ...

[jmilldrum] really gets a lot of use out of his Si5351A breakout board. He’s a ham [NT7S], and the Si5351A can generate multiple square waves ranging from 8 kHz to 160 MHz, so it only stands to reason ...

Old radios didn’t have much in the way of smarts. But as digital synthesis became more common, radios often had as much digital electronics in them as RF circuits. The problem is that digital ...

Two years ago, in my home state of Kentucky, we had a devastating tornado that traveled nearly 200 miles, leveled towns, killed scores of people, and left widespread devastation. When emergency ...