Tell us about yourself!
you have included 'Serial.begin(9600);'but what is being shown in the serial monitor??
In your schematic it says we need a 12pF capacitor, whereas is in the parts list at the beginning it says we need a 220uF. Which one is it??
Though this person has stolen the images and idea from another person, he has changed the code from ATTiny to Arduino
Circuit Board Design Class
Getting Started With the ATMega328P