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 ...

[Colin] wanted a way to reliably control an Arduino via ham radio. One of the easiest methods of automated radio control makes use of Dual-Tone Multi-Frequency signalling. To those who aren’t into ...

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 ...