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 ...

Adding USB functionality to your Arduino projects used to be a pain, but thankfully, the V-USB project came along and gave your ATMEGA328 the ability to control the USB lines directly and mimic simple ...

Elecom's USB-powered numeric touch keypad is pretty simple. You plug it into your machine, tap your digits on the board and watch the numbers appear in your calculator app. Once that gets boring, you ...

Multi-touch is the new, erm, normal-touch, and everyone is getting in on it. It’s easy to see why — moving your fingers over a flat pad is much easier on the wrists than mice and trackballs (for me at ...

The IPv4 global address is exhaustedIP address exhaustion problemAs a next-generation protocol to deal withIPv6There is, but the notation method changes from decimal to hexadecimal, the address ...