Photocells - Basic but Useful
Full Photocell Tutorial: https://learn.adafruit.com/photocells/using-a-photocell
Photocell and LED Circuit via Adafruit
Photocell and Piezo via Adafruit
A variety of code examples using different functions to work with this circuit - linked here:
https://drive.google.com/folderview?id=0B1qpUXvovN0EZG5DbWR2UE9WYUU&usp=sharing
