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   · By Jayant Aug 11 2015 91. Mobile phones generally charge with 5v regulated DC supply so basically we are going to build a 5v regulated DC supply from 220 AC. This DC supply can be used to charge mobiles as well as the power source for digital circuits breadboard circuits ICs microcontrollers etc. You can also build 6V DC 9V 12V 15V etc by

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   · Charging your smartphone is probably one of the most inconvenient but necessary routines in your day. A solar mobile phone charger can change this since it can free you from the hassle of competing with everyone for ports and cables. This project uses a 6V mini solar panel a step-up circuit and a typical phone charger.

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   · Charging your smartphone is probably one of the most inconvenient but necessary routines in your day. A solar mobile phone charger can change this since it can free you from the hassle of competing with everyone for ports and cables. This project uses a 6V mini solar panel a step-up circuit and a typical phone charger.

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   · Mobile phones generally charge with 5v regulated DC supply so basically we are going to build a circuit diagram for 5v regulated DC supply from 220 AC. This DC supply can be used to charge mobiles as well as the power source for digital circuits breadboard circuits ICs microcontrollers etc.

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   · The battery charger circuit is designed for 7.4V lithium battery pack (two 18650 in Series) which I commonly use in most robotics project but the circuit can be easily modified to fit in lower or slightly higher battery Packs like to build 3.7 lithium battery charger or 12v lithium ion battery Charger.

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   · Charging your smartphone is probably one of the most inconvenient but necessary routines in your day. A solar mobile phone charger can change this since it can free you from the hassle of competing with everyone for ports and cables. This project uses a 6V mini solar panel a step-up circuit and a typical phone charger.

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   · Now with the level of technology to improve and reduce the cost per ton of waste circuit board can still extract about 300 grams of gold or about 888600 NGN price. Printed circuit boards can be landfilled waste or materials used in building materials. Re PCB Recycling Business by BloomLee 10 04am On Jan 14 2015.

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   · Charging Circuit 2x AA Battery Holder and soldering the wrapped wires to the circuite board (this is the trickiest part of the project) A cheap easy and fun solar charger for your Apple

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