Green Power Solar Free Energy Generator Homemade for Electricity DIY Recharge Mobile

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Introduction: Green Power Solar Free Energy Generator Homemade for Electricity DIY Recharge Mobile

Green Power Solar Free Energy Generator Homemade for Electricity DIY Recharge Mobile

Materials:

Solar Panel 5 Watt

5 Volt Regulator Board Circuit ( You can DIY or buy from Ebay )

Led Light - USB DC line

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LM7805 does waste energy since it is a linear regulator: It is a self-regulating resistor.

It would be much more efficient if a buck-boost or inverting DC/-DC-Converter would be used. a bit more costly, but could also charge if dim light and panel gives <5V and does not waste this much energy (Normal eff is 80-96% normally).

something like http://www.aliexpress.com/item/Auto-DC-Boost-Buck-... as an example...