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 ...

GeoThings created a new handy Arduino compatible development board that provides both built-in GPS and mobile connectivity together with a few other features such as the ability to connect external ...

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.