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First turn off the power to your Board of Education. Unplug the servo.

Reconnect the power to the Board of Education.

Rotate the hooded panels by hand so that they point DIRECTLY at the light source that you are attempting to track. Make sure that the light falls evenly on ALL eight solar cells; i.e., no shadows or reflections from the sides of the hood.

Next, go back and repeat the procedures in Experiment 2 for adjusting the offSet variable under the heading Your Turn: Fine-Tuning the offSet Variable on page 101.

Following this, reconnect the servo to your circuit and resume your sun tracking.

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