So let’s say your using an Arduino in your project. You already have the hardware-based serial interface working with one portion of the project and need a second serial port for unrelated hardware.

A few years ago, [Phang Moh] and his compatriots were asked by a client if they could make a vehicle tracking device for oil tankers all around Indonesia. The request of putting thousands of trackers ...

Over at DSS Circuits, Wayne Truchsess has posted a great article about a "Honeypot" he built inside an empty PS3 case. The device includes a GPS for tracking its position, an accelerometer for motion ...