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 ...

When we were kids we rode bicycles without pads and helmets. We drank sugary drinks. We played with chemistry sets and power tools. We also built things that directly used AC line current. [Mike] ...