The newly released Arduino Leonardo has a few very interesting features, most notably the ability to act as a USB keyboard and mouse thanks to the new ATmega 32U4 microcontroller. This feature isn’t ...

When building a homebrew computer, there are a few milestones that make all the work seem worth it. Of course, seeing the CPU step through address lines on the blinkenlights is near the top, but even ...

Described here are the construction details of a universal serial bus human interface device (USB HID) external keyboard for devices running on Windows and/or Android operating systems. The keyboard ...

A few years ago Solder Party started selling tiny USB keyboards made by combining an actual BlackBerry keyboard (ripped from an old device) with a custom PCB and USB-C connector. But since BlackBerry ...