12. case 02 Make a shape#

12.1. Our Goal#

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

12.2. Requiered Materials#

12.3. 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

12.4. Software#

makecode

12.5. 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:

12.6. Result#

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

../../_images/srKhgfm.jpg

12.7. Think#

  • How can you make your car dance?

12.8. Questions#

12.9. More Information#