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can only four led can charge my device
DIY 2G/3G/4G wireless cell phone signal booster
Open Your Garage Door From Anywhere Plus Security Cam!
Home Automation with a Smartphone (TV, Arduino, Light, Security, Projector, DVD Player...)
Automatic Night Light
Miss La Sen quilling paper
Using KeyBoard & Mouse on Android!?
Making Rocket Fuel With Kitchen Chemistry!
Electricity Generating Footwear - Generate Electricity By Walking (Concept)
Tic-Tac TV Remote Jammer
TV Remote Light Switch
TV Remote Controlled Paper Planes
How to make a solar Fan.
How to Build an Educational Wind Turbine
Free Energy/ Cellphone detector (From Cellphone Antenna)
How to Make a Motor
LedUSB : Converting Solar Energy Into Electrical Energy With the Use of LEDs
Complete Guide to Building Your First RC Foamboard Plane