Tutorial – Use a Light Dependent Resistor (LDR) to Measure Light Levels

This tutorial demonstrates using a Light Dependent Resistor (LDR) to vary the blink rate of a LED based on the level of light striking the LDR.  This tutorial covers some basic concepts that can be used to develop home automation applications such as automatic light dimmers, automatic blinds or curtains and a automatic night-light.  Check out the tutorial for full details.