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    UI flow IMU issues

    UIFlow
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    • H
      hetzer
      last edited by

      • Get Z function gives a number increasing constantly, exceeding 1000 over time.

      • Get Y and X functions provide different figures in each start with error of around 10 degrees.

      • Is calibration required or are there any other custom functions providing accurate results.

      m5-docsM 1 Reply Last reply Reply Quote 0
      • m5-docsM
        m5-docs @hetzer
        last edited by

        @hetzer Yes, It need to be calibrated after device initialization.

        M5Stack documentation URL

        https://docs.m5stack.com

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        • H
          hetzer
          last edited by

          Is there a custom block for calibration. I like to use uiflow and prefer not to go back to arduino.

          m5-docsM 1 Reply Last reply Reply Quote 0
          • m5-docsM
            m5-docs @hetzer
            last edited by

            @hetzer Sorry about that I have asked engineer. He said that we'll not add this calibrated function block.

            M5Stack documentation URL

            https://docs.m5stack.com

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            • H
              hetzer
              last edited by

              Is it possible to get to gyro code coming with the firmware. I can see the the dafult gyro app is working accurately but all my get x and get y block resulting random numbers

              m5-docsM 1 Reply Last reply Reply Quote 0
              • m5-docsM
                m5-docs @hetzer
                last edited by

                @hetzer Are you sure that it is random data?

                M5Stack documentation URL

                https://docs.m5stack.com

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                • H
                  hetzer
                  last edited by

                  Yes, en each start, while the unit is on the same position I get different values for x and y.
                  Z starts from zero and just increases in each measurement.

                  I tried to write a code to subtract the initial value from zero to calibrate but next x and y values within loop again starts from random values.

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                  • H
                    hetzer
                    last edited by

                    Still no solution to this problem, the demo is working flawlessly but get_x, get?y and get_z provide wrong results. Can anyone help?

                    L 1 Reply Last reply Reply Quote 0
                    • L
                      liushasha @hetzer
                      last edited by

                      @hetzer Hi, thanks for your feedback, the block naming on IMU is misleading. get-x get-y get-z actually is Yaw, Pitch, Roll.

                      H 1 Reply Last reply Reply Quote 0
                      • H
                        hetzer @liushasha
                        last edited by

                        @liushasha said in UI flow IMU issues:

                        naming on IMU is misleading. get-x get-y get-z actually is Yaw, Pitch, Roll.

                        I am aware but still the pitch and roll randomly varies around +-10 degrees and the roll value increase over time exceeding 360

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                        • H
                          hetzer
                          last edited by

                          0_1559507374811_Untitled 2.png

                          Managed to get some more accurate x and ydegrees.
                          Is it possible to get yaw heading with uiflow?

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                          • H
                            heybin
                            last edited by

                            if only use mpu6050,i try fix yaw offset, but Failed .....

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