MobiRuler

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Application allows user to measure the size of object using the mobile phone.

How to use :

+ Firstly, user places the phone in horizontal or in vertical at the first side of object (depend on he wants to measure the Width or the Height of object).

+ At the beginning of the measuring, user presses the button Volume(+), then move fast the phone from left to right or from low to high, toward the second side of object.

+ Then, user presses the button Volume(+) one more time to finish measuring.

Attention :

+ Because of the limited precision of the integrated accelerometer, the measuring result is not always exact. But move so fast the phone when measuring can improve it.

+ Because the problem comes from the hardware, the precision issue cannot be solved, even some filter algorithms were used.