Arduino is a programmable open source hardware and software interface, it allows free access to a certain type of files. It is based on programming language such as type « C ». For programming, the « JAVA’s » language is used.
The arduino card can be used to program various objects, such as alarms, oscilloscopes and everyday objects. Arduino shields can be used to extend the map’s features, such as a GPS, or WI-FI and protect the Arduino card.
Arduino Card
Shield
Enzo et Xavier
A good article and full details on Arduino, very interesting!