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.

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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