I'm not studying C programming at all in my modules,but I joined a group for my engineering fair project which seemed relatively easy till we go to the programming part,I have the codes for the PIR to the UNO,it's just the audio part that stumps me,can I use this instead of the MP3 trigger http://www.myduino.com/index.php?route=product/product&path=49&product_id=299?