The iPhone 4 has pretty good battery life, but you’re pushing your luck if you use the handset for nonstop video watching, GPS navigation, Web surfing or email downloading. For an extra power boost, ...

The world of custom keyboards has over the years developed its work into an art form, as mechanical key switches meet USB-HID capable microcontrollers for a plethora of designs as individual as their ...

A useful add-on for any computer is a plug-in macro keyboard, a little peripheral that adds those extra useful buttons to automate tasks. [Sayantan Pal] has made one, a handy board with nine ...