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Home › Magazines › 2008 › July/August › Solar Cell Voltage Indicator

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Solar Cell Voltage Indicator

Published in issue 379, July/August 2008

This device is designed to be a simple, inexpensive 'comparator', intended for use in a solar cell power supply setup where a quick ‘too low’ or ‘just right’ voltage indicator is needed. The circuit consists only of one 5-V regulator, two transistors, two LEDs, five resistors, two capacitors, and one small battery.

Click below to download a PDF copy of this article from Elektor magazine.

 

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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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