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    Understanding the raw output of MPU-6050

    Arduino
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    • A
      Anudeep last edited by

      Hello all,

      I have a small doubt regarding the raw values given by MPU 6050.
      I am getting 6 raw values from the MPU 6050 sensor!
      I have given a default sensitivity of +/- 2g.
      What exactly each value mean? Is it like, voltage values across each axis or capacitance values or the acceleration values itself.
      But for me they doesn't mean anything. I am getting some values above 1000, some of them in negative and some doesn't go beyond +/- 250.
      So, can you explain me in detail what does those value mean in physical parameters and their units?

      Thank you!!

      1 Reply Last reply Reply Quote 0
      • salmanfaris
        salmanfaris last edited by salmanfaris

        Hi @Anudeep ,

        MP66050 is a Gyroscope + Accelerometer + Temperature Sensor Module ,

        3-Axis Gyroscope

        The 3 Axis Gyroscope is used to detect rotational velocity along the X, Y, Z axes as shown in the below figure.

        alt text
        img src : https://www.electronicwings.com

        The full-scale range of output is +/- 250, +/- 500, +/- 1000, +/- 2000 , and that is the angular velocity represented in units of rotations per minute (RPM), or degrees per second (°/s). The three axes of rotation are either referenced as x, y, and z, or roll, pitch, and yaw.

        3-Axis Accelerometer

        Accelerometers are devices that measure acceleration, which is the rate of change of the velocity of an object, it can be used to detect the angle of tilt or inclination along the X, Y and Z axes as shown in below figure.

        alt text
        img src : https://www.electronicwings.com

        They measure in meters per second squared (m/s2) or in G-forces (g). A single G-force for us here on planet Earth is equivalent to 9.8 m/s2, but this does vary slightly with elevation (and will be a different value on different planets due to variations in gravitational pull)

        datasheet : https://www.invensense.com/wp-content/uploads/2015/02/MPU-6000-Datasheet1.pdf

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Maximum is 786432 bytes. Global variables use 57280 bytes (10%) of dynamic memory, leaving 466344 bytes for local variables. Maximum is 523624 bytes. Forcing reset using 1200bps open/close on port COM12 PORTS {COM12, } / {} => {} PORTS {} / {} => {} PORTS {} / {COM13, } => {COM13, } Found upload port: COM13 C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2/dfu-util --device 0x2341:0x035b -D C:\Users\Faris\AppData\Local\Temp\arduino_build_650727/Blink.ino.bin -a0 --dfuse-address=0x08040000:leave dfu-util 0.9 Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2020 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to http://sourceforge.net/p/dfu-util/tickets/ Invalid DFU suffix signature A valid DFU suffix will be required in a future dfu-util release!!! 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