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ロボット工学 DFRobot MBT0021-ENのPDF マニュアルをオンラインで閲覧またはダウンロードできます。DFRobot MBT0021-EN 18 ページ。

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DFRobot MBT0021-EN マニュアル
Program Link:
https://makecode.microbit.org/_TMa48UKa5XAA
In the above procedure, we did not use the two probes L2 and R2 on the two sides. If the car is
driven out by mistake, it will be difficult to return to find the black line to continue driving. In
the following procedure, we will use five probes and add another layer of detection on the left
and right sides, so that the car can return in time after it finds that it was on the wrong path.
Program Link:
https://makecode.microbit.org/_52di8s3WKMoF
https://makecode.microbit.org/_XucP5zJyeCba