After you’ve taken the plunge and decided to learn how to etch your own circuit boards ... and turn making a homemade Arduino board an exercise in frustration and improving your vocabulary ...

Have you ever tried squeezing a LoRa and GPS module into a wearable device? It’s a nightmare! That’s why we’re excited to ...

So it is no surprise that hams like [jmharvey] will build an antenna analyzer from a DDS module and an Arduino ... circuit board, [jmharvey] used Eagle to lay out the circuit as though it were a PCB.