10. case 02 Make a shape

10.1. Our Goal


  • To make the Ring:bit Car turn at an angle.

10.2. Requiered Materials


  • 1 x Ring:bit Car

10.3. Hardware Connect


  • Connect the left wheel servo to P1 of the Ring:bit expansion board and the right wheel servo to P2.

../../_images/jBVHea8.png

10.4. Software


makecode

10.5. Coding


Step 1

  • Click on “Advanced” in the MakeCode Drawer to see more code sections.

../../_images/2qCyzQ71.png

  • Search for “ringbitcar” and click on the ring:bit car package to add it to your project. (As below picture)

../../_images/1Wq2Mov1.jpg

Note:If you get a warning telling you some packages will be removed because of incompatibility issues, either follow the prompts or create a new project in the Project file menu.

Step 2

  • Snap the block “set left wheel at pin P1 right wheel at pin P2” into the on start block.

  • The port number is based on the actual servo connection port. ../../_images/igG5TVD1.png

Step 3

  • Within the forever block, snap below blocks in line:

  • go straight at full speed block

  • pause block

  • turn right at full speed block

  • pause block

../../_images/FRnGCpw.png

Program

Program Link:https://makecode.microbit.org/_iPWL19C26CYe

If you don’t want to type these code by yourself, you can directly download the whole program from the link below:

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10.6. Result


  • The car goes straight and turns right, then goes straight.

../../_images/srKhgfm.jpg

10.7. Think


  • How can you make your car dance?

10.8. Questions


10.9. More Information