1.5. Case 04: Face-tracked Device

Purpose

To make the AI Lens be able to recognize the face and track it.

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Materials Required and Connection Diagram

  • Build a device with the bricks as below:

../../_images/05035_04_03.png

../../_images/05035_04_04.png

  • Connect the device with a servo:

../../_images/05035_04_05.png

  • Connect the AI Lens with the device:

../../_images/05035_04_06.png

  • Connect the AI Lens to the IIC port and the two servos to S1 and S2 separately.(Here S1 controls the movement of “X”, S2 controls the movement of “Y”)

../../_images/05035_04_07.png

MakeCode Programming

Step 1

Click “Advanced” in the MakeCode drawer to see more choices.

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We need to add a package for programming. Click “Extensions” in the bottom of the drawer and search with “PlanetX” in the dialogue box to download it.

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Note: If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu.

Step 2

Code as below:

../../_images/05035_04_08.png

Result

  • The AI Lens would track your face(move along with your face).