Case 3 - Posture Detection

Case 3 - Posture Detection

 

Part 1   Objective

After you compile the program, the stage displays the angles you rotate the gyro sensor around the x-axis, y-axis and z-axis in real time.

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Part 2   Preparation

  • MegaPi x 1

  • MegaPi RJ25 adapter x 1

  • RJ25 cable x 1

  • Gyro sensor x 1

  • USB cable (Type-B) x 1

  • Computer with network access x 1

Install the MegaPi RJ25 adapter on MegaPi, connect the gyro sensor to MegaPi by using the RJ25 cable, connect MegaPi to the computer by using the USB cable, open mBlock 5 (PC client, web version, or mobile app), click +add, select Ultimate 2.0 from Device Library, click Connect, and select the Live mode.

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Update the firmware of Ultimate.

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Part 3   Programming

Posture detection: In Live mode, you can create different variables to get the angles of the gyro sensor around the x-axis, y-axis and z-axis. When you select the check boxes on the left of the x-axis angle, y-axis angle and z-axis angle blocks and run the program, the stage displays the angles of the gyro sensor around the x-axis, y-axis and z-axis.

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Part 4   Practice

Rotate the gyro sensor, and see if you can find the directions of x, y, and z axes.

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