In this lesson, you will learn how to measure light intensity using an Analog Input. You will build on lesson 8 and use the level of light to control the number of LEDs to be lit.

The photocell is at the bottom of the breadboard, where the pot was in lesson 8.

Last updated on 2015-05-04 at 04.27.11 PM Published on 2012-12-11 at 10.33.24 AM