[Jacob Geigle] had a problem. A GPS unit and a Bluetooth-to-serial were tying up all the hardware UARTs on an AVR Arduino project. “Software serial”, I hear you say. But what if I told you [Jacob] ...

Robust serial interfaces such as USB and IEEE-1394 ™ have revolutionized personal computing. They provide a simple-to-use interconnection to a variety of different peripherals, ranging from products ...