Keyestudio 4WD - Line Tracking Smart Car

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17.2: Line Tracking Smart Car
(1)Project Description
In this lesson we will combine line tracking sensors with a motor to make a
line tracking smart car.
The micro:bit board will analyze the signals and control smart car to show
line tracking function.
(2)The Working Principle
The smart car will make different moves according to the value received by
the 3 channel line tracking sensor.
Left/Right TCRT5000
IR Tunes（Level）
4WD Mecanum Ro
bot Car
LOW（0）
HIGH（1）
Turn Right
HIGH（1）
LOW（0）
Turn Left
HIGH（1）
HIGH（1）
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