What is it ?
Open-source electronics embedded computing
platform based on fexible, easy-to-use hardware
and software. Created for artists, hobbyists and
anyone interested in creating interactive objects
Massimo Banzi – Arduino's Father
More than 250 000 boards sold around the world and revolutioned world Do-ItYourself
Abstracts tasks that facilitate the handling, making it more easy.
Intuitive IDE, Upload code via USB with a single click
It supports diferent platform [Linux, Max, Windows]
Active and strong community around world
Open[Hardware, Software], but the branch isn't
Without arduino is possible: MoKit,Circuits.io, S4A, Ardublock