Connecting SparkFun Photo Interrupter with Arduino

Hello,

I am new to Arduino. I want to connect Spark fun Photo Interrupter with Arduino Yun. I also Have the board for Photo Interrupter. Can anyone tell me which pin to connect where in arduino? I want to do this for small project. Here are the links for the Sensor and board: Sensor and Breakout Board

I look forward to hearing from you all soon.

Google is your friend.
This is a how-to I found.
http://www.martyncurrey.com/connecting-an-photo-interrupter-to-an-arduino/