Building a keyboard isn’t a big project these days. Controller chips and boards are readily available, switches are easy to find, and a 3D printer can do a lot of what used to be the hard parts. But ...

Engineers at Purdue University have developed a printing process that can turn an ordinary sheet of paper into a Bluetooth-connected, self-powered, wireless, interactive keyboard or keypad. First, the ...

Electronic paper is common in eReaders, and it occasionally shows up in digital signage. But every now and then we see them show up in other product categories, like watches or keyboard. French ...