Arduino boards may be purchased preassembled, or as do-it-yourself kits; at the same time, the hardware design information is available for those who would like to assemble an Arduino from scratch. Common examples for beginner hobbyists include simple robots, thermostats and motion detectors. Adafruit Industries estimated in mid-2011 that over 300,000 official Arduinos had been commercially produced, and in 2013 that 700,000 official boards were in users' hands.
Arduino in agreement with Arduino. Opensource electronic platform for creating interactive objects.
Arduino according to Wikipedia. As an arduino opensource software company, the user community designs microcontrollers that build interactive digital objects that control the physical world.
Arduino as stated in Arduino. Arduino software provides express warranties of fitness for purpose, use, including limitation, implied merchantability, fitness, violation.