Help needed with arduino breakoutboard

Hi

in my project i need to make the standard breakoutboard http://www.tinytronics.nl/shop/IRF520-Breakout-Module?search=break

fit with bigger transistors sow i need a schematic can please someone draw the connections i´m a bit confused watching the board it has 2 resistors 1 led and 1 transistor and 2 grounds 1 ground is not connected it seems bit confused, i want to create my own but i don´t know how to connect, i can read schematics

thanks!!

See attached.

sch_mosfet_mod.jpg