| |  Here's a great start for a solar cell project. These assemblies for sun-powered garden lights consist of two glass photovoltaic cells mounted on a plastic bracket with a charging circuit, rechargeable NiCd AA battery pack, and three red LEDs. Between the solar cells is a photoresistor to sense light and dark conditions.
In daylight the solar cells charge the battery. When it gets dark, the LEDs light. Solar cell surface area is 3.78" x 1.98". Cells provide 2.6 VDC @ 25mA in bright sunlight.
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