"If you want a thing well done, do it yourself."

simple energy recovery sistem using solar panels and led ( without batteries )Solar panels generally consisting of two layers of silicon - semiconcuctor material and a separation layer, are wired together and assembled into panels or modules. Simple Energy Recovery System A LED light is capable o...
By: sciencetoolbar

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Do it yourself, also known as DIY, is the method of building, modifying, or repairing something without the aid of experts or professionals. Academic research describes DIY as behaviors where "individuals engage raw and semi-raw materials and component parts to produce, transform, or reconstruct material possessions, including those drawn from the natural environment (e.g. landscaping)".[1] DIY behavior can be triggered by various motivations previously categorized as marketplace motivations (economic benefits, lack of product availability, lack of product quality, need for customization), and identity enhancement (craftsmanship, empowerment, community seeking, uniqueness)

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