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I'm experimenting with a 3 accelerometer breakout board. The X and Y axis are very easy to control, but the Z axis is a bit of a mystery. I'm trying to find a way of interpreting the data in my code to increase output as the device is lifted up in the air, and reduce as it is lowered down. Is this possible? If so, how? Maybe if someone can point me towards a good reference source that would help.
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Accelerometers can be used to measure vibration on cars, machines, buildings, process control systems and safety installations. They can also be used to measure seismic activity, inclination, machine vibration, dynamic distance and speed with or without the influence of gravity.
The accelerometer in the mobile device provides the XYZ coordinate values, which is used to measure the position and the acceleration of the device. The XYZ coordinate represents direction and position of the device at which acceleration occurred.
Output Data Rate (ODR): Rate (in Hz) at which new sensor data are available to the user. g: This is unit of acceleration for accelerometers: 1 g is equal to 9.80665 m/s2 °/s or dps (degree per second): This is the unit of angular rate for gyroscopes.
The accelerometer measures the acceleration applied to the sensor built-in into the device, including the force of gravity. In other words, the force of gravity is always influencing the measured acceleration, thus when the device is sitting on a table, the accelerometer reads the acceleration of gravity: 9.81 m/s².
Without any sort of context, this is hard to answer...
The accelerometer measures acceleration:
In physics, acceleration is the rate of change of velocity over time. In one dimension, acceleration is the rate at which something speeds up or slows down.
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