This series is turning out to be a lot longer than I had planned; fortunately, it is also turning out to be a lot more fun than I had expected, and that's really saying something. Now I have a couple ...

WHAT IS THE RASPBERRY PI 4? The Raspberry Pi 4 Model B is the latest version of the low-cost Raspberry Pi computer. The Pi isn't like your typical device; in its cheapest form it doesn't have a case, ...