IT IS RECOMMENDED THAT A SERIES PROTECTION RESISTOR BE BUILT INTO THE PHONO PLUG AND LEADS IF USING AN EXTERNAL VOLTAGE
IT IS RECOMMENDED THAT A SERIES PROTECTION RESISTOR BE BUILT INTO THE PHONO PLUG AND LEADS IF USING AN EXTERNAL VOLTAGE
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The D.LIGHT S250 is common in the developing world [[http://www.dlightdesign.com/products_D.LIGHT_S250_global.php]]
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Shown is the solar cell from the D.LIGHT S250 [[http://www.dlightdesign.com/products_D.LIGHT_S250_global.php]]
It has a 6V solar cell, the outer connection is -ve and the inner +ve
It has a 6V solar cell, the outer connection is -ve and the inner +ve
Line 338:
Line 338:
[[File:Photovoltaic.jpg]]
[[File:Photovoltaic.jpg]]
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A voltage divider is needed to bring it into the range of the XO1 0.4V to 1.85V (XO1.5 0.17 to 3.0V)
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A voltage divider is needed to bring it into the range of the XO1 0.4V to 1.85V (XO1.5 0.17 to 3.0V). With the values shown below, the sensitivity is reduced by