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Solar Tracker Sun Switch electronic sensor

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Uploaded by on Sep 2, 2008

The Sun Switch senses the position of the sun for a solar tracker. This is a test circuit to see if green LEDs can provide TTL logic levels into a motor control circuit. When green LEDs are exposed to direct sunlight they will generate a voltage. This circuit uses three LEDs in series which produce about 5.1 volts when aimed directly at the sun. The circuit and pics will be posted on www.greenwatts.info

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Science & Technology

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Uploader Comments (helpmonkey)

  • I built it from a scrap inkjet printer and 3 green LEDs

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This video is a response to Simple DIY Solar Tracker
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  • Great job!!

  • Wow, this is what people have been looking for. Keep up the great work.

  • where did you get that?

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