S/PDIF has been around for a long time; it’s still a really great way to send streams of digital audio from device A to ...

Using Bluetooth on a desktop computer is now such a seamless process; it’s something built-in and just works. Behind that ubiquity is a protocol layer called HCI, or Host Controller Interface, a set ...

Of course, that's usually followed by someone creating a fantastic handheld NES emulator as their first embedded project, and suddenly my untidy heap of wires and buttons doesn't feel so inspiring ...