4. Case 04: Obstacles-avoidance Cars#

4.1. Purpose#


To make an obstacle-avoidance car.

../../_images/case-04-01.png

4.3. Materials Required#


../../_images/case-04-02.png

Video link: https://youtu.be/jYkSCfRpj1Y

4.4. Bricks build-up#


../../_images/step-case-04-01.png

../../_images/step-case-04-02.png

../../_images/step-case-04-03.png

../../_images/step-case-04-04.png

../../_images/step-case-04-05.png

../../_images/step-case-04-06.png

../../_images/step-case-04-07.png

../../_images/step-case-04-08.png

4.5. Hardware Connection#

将两个电机分别连接到悟空扩展板的M1,M2接口,将超声波传感器连接到悟空扩展板的P1端口.

../../_images/Wonder-Building-Kit-case-04-06.png

4.6. Software Platform#


MakeCode

4.7. Coding#


Add extensions#

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

../../_images/case-01-03.png

Search with Wukong in the dialogue box to download it.

../../_images/case-01-04.png

Search with https://github.com/elecfreaks/pxt-sonarbit in the dialogue box to add the sonar:bit extension.

../../_images/case-04-04.png

Program#

../../_images/case-04-05.png

Link:https://makecode.microbit.org/_7K4bgpCKv2WJ