wiring from arduino to motor relay module.

I want to make a project but got some problem in wiring in motor driver board. the project and the driver board is in this url :

Please tell me how to wire the arduino, with this motor driver,that I am having in this picture attachment.


Please see picture below.
On the project that you want, you have diagram how to connect the wires.
The driver that you have, is very similar with one on the diagram.
1st motor wires go on 1A1 and 1B1, 2nd motor go on 1A2 and 1B2. You can choose any pins from 1 to 13. VCC go on 5v or 3.3v on Arduino , and GND go on GRD on Arduino.
Later in your code you will define what pins you have used as control pins for motors.