My laptop only has one USB port. I understand that the times are changing. Wireless devices are more and more popular, wi-fi and Bluetooth takes over that pesky cables and bulky physical connectors. We’re entering a new cable-less era. This doesn’t change the fact, that my mouse and my keyboard connect over USB. That’s two devices. And I want both. So of course I’ve decided to write a Bluetooth keyboard proxy using my Raspberry Pi as a gateway. I couldn’t find any working tutorials,...