Arduino Mega 2560, Dagu Rover 5, and Dagu 4 channel motor controller

I have a Dagu Rover 5 (4wd), a Dagu 4 channel motor controller, and an Arduino Mega 2560. I am looking for a simple image showing the wiring and a default sketch. I would like to make my robot mobile, but have been running into a wall as far as setting up the Rover 5 to be controlled by the Arduino Mega (dealing with the encoder data, etc.). Any help and input would be much appreciated!

I don’t know if this will

I don’t know if this will help, but OddBot has a great illustration of wiring the rover 5 and arduino mega with the explorer PCB.

If that's not clear, here's the link 

https://www.robotshop.com/letsmakerobots/node/36521