There was a time when a ham radio set up sported many dials and switches and probably quite a few boxes as well. Computers have changed all that. Some transceivers now have just a few buttons or are ...

One problem with ham radio these days is that most hams live where you can’t put a big old antenna up due to city laws and homeowner covenants. If you’re just working local stations on VHF or UHF, ...

What if you could broadcast signals across the globe using just a credit-card-sized computer and a handful of components? It might sound like a scene from a sci-fi novel, but with a Raspberry Pi and ...

When you want to connect an IoT device to anything (or, for that matter, anything to anything), you should take a serious look at Node-RED, a free, open source visual process wiring system from IBM ...

Sequent Microsystems has created a new Raspberry Pi learning kit complete with a Node-RED tutorial providing an easy way to learn about automation control interfaces using Node-RED from simple ...