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Case 02: Line-following Cars

Purpose​


To make a line following car.


micro:bit Wonder Building Kit

Materials Required​


Video link: https://youtu.be/J2QKDKnTklw

Bricks build-up​


Installation Mthods of Hardwares​

Install the dual-line tracking sensor with the bricks.

Hardware Connection​

Connect two motors to M1 and M2, the dual line-following sensor to P1 and P2 ports on Wukong breakout board.

Software Platform​


MakeCode

Coding​


Add extensions​

Click "Advanced" in the MakeCode to see more choices.

Search with Wukong in the dialogue box to download it.

Program​

Link:https://makecode.microbit.org/_RXCL9zU1pW5m

Result​

The car moves along with the maps at a uniform speed, it will keep its speed and directions if it deviates from the black line until it goes back.