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A
antonius
Visitor II
February 2, 2019
Question

A3G4250 gyroscoppe questions ?

  • February 2, 2019
  • 1 reply
  • 920 views

Dear ST Members,

How can convert the register output X,Y,Z to dps ? I read on datasheet , the range is +/- 245 dps. What's "dps" ?

Best regards,

Bianchi

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    1 reply

    E
    Eleon BORLINI
    ST Employee
    February 4, 2019

    hi antonius, "dps" means "degree per second", and is the physical unit of measure for a gyroscope. A gyroscope is a sensor that measures the angular rate (3 axial in this case) of a device moving and rotating together. From A3G4250 datasheed (link below), to get the output for e.g. the X axis (it means rotation around X axis) in dps concatenate the OUT_X_H and OUT_X_L, convert in 2's complement and multiply the data for 8.75 mdps/digit to obtain the output physical value. +-250dps Full Scale means that the sensor is able to measure ut to 250 dps of angular rate in bot axis directions.

    Link: https://www.st.com/resource/en/datasheet/a3g4250d.pdf

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