1.9. Case 07: AI Lens Line Follower Car#

1.9.1. Purpose#

Build a line following car with the bricks and the AI lens.

../../_images/05035_01.png

1.9.2. Products Link#

ELECFREAKS High-Speed Building Blocks Motor

Materials Required and Connection Diagram#

Connect the AI Lens to the IIC port and the two motors on M1,M2 ports on the Nezha expansion board as the picture shows.

../../_images/05035_07_07.png

Build a car with the bricks below.

../../_images/05035_07_01.png

../../_images/05035_07_02.png

../../_images/05035_07_03.png

../../_images/05035_07_04.png

../../_images/05035_07_05.png

1.9.3. 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_07_06.png

Link#

Link：https://makecode.microbit.org/_D3objUWFo5YA

You may also download it directly below:

Result#

The car moves along with the line with the guidance of the AI lens.

ELECFREAKS WIKI

Case 07: AI Lens Line Follower Car

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