NetLogo 7.0.0-beta2:

gogo:howmany-gogos

gogo:howmany-gogos

Reports the number of USB HID devices visible to the computer and having the correct vendor and product ID to be a GoGo board. A board will only be detected if it is both connected and powered on. Using this primitive is one way to determine quickly whether a GoGo board has the HID firmware loaded. (A USB-Serial version of the board will not be detected.).

Take me to the full GoGo Extension Dictionary