The  UNO R3 development board is an open-source microcontroller, and is Arduino-compatible.
It has easy-to-use hardware and software, to allow students to experiment with the UNO R3 controlling different sensors, vehicles or other devices, and to program the board to suit those applications. UNO R3 boards are also able to read an input and turn it into an output. The Shield design makes adding expansion boards easy.
This board includes a USB type B Cable.