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ccording to DIY by oneself movement, we can realize that by own movevement can reduce the environment injury. The concept comes from the pencil sharpener. Through the movement of sharpening, we change kinetic energy inti electrical energy. On one hand sharpens the pencil, on the other hand makes the electrical energy accumulate.
The hole could be plugged the battery, and the underneath has the USB hole which can insert 3C product USB and so on to be allowed to carry on charging.
National Taipei University of Tech
graduate institute of id
Lovelyn C.Pua; Shun Fa-yang