Once you have this stream of numbers, you can include it in an Arduino sketch with some boilerplate to enable the FPGA and load it. ... So by changing D5 you can make the LED blink slow or fast.

In our first example, we'll use the built-in Blink example. To open it, select File->Examples->0.1Basics->Blink submenu item. After a few seconds, a new editor window will open with the Blink example.

The chip expects 3.3 V logic so he made use of a MC74LVX50 hex buffer to tailor the Arduino’s 5 V. Currently he’s working on revision two of the shield, which will include SPI flash memory.