The DE0-Nano board includes a built-in USB Blaster for FPGA programming, and the board can be
powered either from this USB port or by an external power source. The board includes expansion
headers that can be used to attach various Terasic daughter cards or other devices, such as motors
and actuators. Inputs and outputs include 2 pushbuttons, 8 user LEDs and a set of 4 dip-switches