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1. Introduction to acceleration sensors
   
   I am working on my final year project which involves the use of the Nitendo Wii Nunchuk. The Wii Nunchuk operates based on a 3-axis accelerometer, a joystick and two push buttons. I carried out a small theoretical research on the accelerometer, and in this wiki page I am going to briefly explain what an accelerometer is, how it works, types of accelerometers, how to selection an accelerometer for a project requirement, and shows some applications of accelerometers.
   
   Physically, acceleration is a vector quantity having both direction and magnitude that is defined as the rate at which an object changes its velocity with respect to time. It is a measure of how fast speed changes . An object is accelerating its velocity is changing. [1] In order to measure acceleration, an acceleration sensor called accelerometer is used. Accelerometer measures in units of g. A g is the acceleration measurement for gravity which is equal to 9.81 m/s². However, depending on altitude ,this measurement can be 10 m/s² in some place.
   
   
   
2. Working principles of an accelerometer
   
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3. Types of accelerometers
   
   
4. Selection of an accelerometer
   
   
5. Applications of accelerometers
   

   Accelerometers can measure: vibrations, shocks, tilt, impacts and motion of an object.

    

    

   
   
   

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