12. case 02 Make a shape

12.1. Our Goal

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

12.2. Requiered Materials

• 1 x Ring:bit Car

12.3. Hardware Connect

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

12.4. Software

makecode

12.5. Coding

Step 1

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

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

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.

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

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:

12.6. Result

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

12.7. Think

• How can you make your car dance?

12.8. Questions

12.9. More Information