Arduino 2-DOF Sun Tracker http://youtu.be/bHFCJ7TXcM4

Arduino 2-DOF Sun Tracker - RadioShack® 1.5W Solar Panel 9V - 2x HITec HS-422 Servos - 4x LDRs to Track Light Source - Voltage Divider to monitor Solar Panel output - 4x LEDs to display Servo movement