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1  Using Arduino / Project Guidance / Integrating a timer in a photoresistor sun-tracking system. on: November 19, 2012, 10:28:22 am
Hello everybody. I am working on a solar panel project. We installed a photo-resistor sun-tracking system that will rotate the solar panel based on the values of the photoresistors (placed orthogonal to each other.)

I have the program set to measure the voltage output of the solar panel every one minute when the solar panel is facing the optimal direction. But when the system decides to rotate, our time-scale is technically off because as soon as the system is done rotating, it measures the voltage output of the solar panel immediately after. This creates a difference of a few seconds between two readings instead of one minute when the solar panel is facing time. I am looking to get correct, corresponding times for the voltage readings.

Thank you everybody!
2  Community / Exhibition / Gallery / Re: Solar Tracking Code on: October 08, 2012, 01:30:46 pm
What stepper motor did you use? Or what do you mean by a printer motor?
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