What is a 3-axis digital accelerometer?

3-Axis Digital Accelerometer is the key part in projects like orientation detection, gesture detection and Motion detection. This 3-Axis Digital Accelerometer(±16g) is based on low power consumption IC ADXL345. It features up to 10,000g high shock survivability and configurable Samples per Second rate.

What is the output of an accelerometer?

Accelerometers typically fall into two categories – producing either 10 mV/g or 100 mV/g. The frequency of the AC output voltage will match the frequency of the vibrations. The output level will be proportional to the amplitude of the vibrations.

Is an accelerometer input or output?

Accelerometer Sensitivity: The ratio of change in acceleration (input) to change in the output signal.

How does a digital accelerometer work?

How does an accelerometer work? An accelerometer works using an electromechanical sensor that is designed to measure either static or dynamic acceleration. Static acceleration is the constant force acting on a body, like gravity or friction. These forces are predictable and uniform to a large extend.

What does G mean in accelerometer?

M/s2 is the international (SI*) unit for acceleration. g is also used as a unit for acceleration, relative to standard gravity (1g = 9.80665m/s2). Other units include Gal (CGS) used to measure seismic acceleration.

Is accelerometer digital or analog?

The choice between analog and digital is dictated by the hardware used. Analog accelerometers have an output that is a continuous voltage proportional to the acceleration. Digital accelerometers typically use pulse width modulation so that there is a square wave at a certain frequency.

How do you read an accelerometer data?

Accelerometers measure acceleration, often caused by motion….In one dimension, acceleration is the rate at which something speeds up or slows down.

  1. Positive values indicate an increase in velocity.
  2. Negative values indicate an decrease in velocity.
  3. Zero values indicate constant velocity (which might not be zero).

How do you read accelerometer data?

What is frequency range of accelerometer?

With small accelerometers where the mass is small, the resonant frequency can be as high as 180kHz, but for the somewhat larger, higher output, general-purpose accelerometers, resonant frequencies of 20 to 30kHz are typical.