According to the most recent data from the World Bank, 15 percent of the world’s population—approximately 1.1 billion people—lacked access to electricity in 2014. In 1994, approximately 27 percent of ...
A word of warning: Google for the definition of the word “pummer” at your own risk. Rest assured that this beautiful solar-powered circuit sculpture fits the only definition of pummer that we care to ...
This Outdoor LED Solar Garden Lights project is a hobby circuit of an automatic garden light using a LDR and 6V/5W solar panel. During day time, the internal rechargeable 6 Volt SLA battery receives ...
The Cool Down on MSN
Utah's new plug-in solar law has homeowners asking how electricity can flow backward through an outlet
Even a modest reduction in grid use can add up over time.
The circuit described here is a 12-V dc to 5-V dc (±5%) switched-mode power supply (SMPS). The supply uses a 12-V input from an array of four 3-V dc, 40-mA solar cells connected in series. (The cells ...
This is the most simple and affordable solar battery charger that the hobbyist can make. It has a few drawbacks over other similar controls, but offers numerous advantages. It is intended for charging ...
First Solar, a producer of solar power systems and components, warned that it will not hit its fiscal 2011 earnings targets, cutting guidance on both the top and bottom lines. The company said it ...
Researchers at Switzerland’s Ecole Polytechnique Federale de Lausanne (EPFL) used a special dye to fabricate dye-sensitized solar cells (DSSC) with high open-circuit voltage and power conversion ...
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