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case 05 Crazy dance

Our Goal​

  • To make the Ring:bit car to dance in free style.

Requiered Materials​

Hardware Connect​

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

Software​

makecode

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 to the On start block.
  • The port number is based on the actual servo connection port.

Step 3​

  • Snap blocks into forever block.
  • Set an varieble to left and an variable to right.
  • Generate a random number and assinment to the left and the right.

Step 4​

  • Set the left wheel speed to the variable left abd the right wheel speed to the variable right.
  • Pause for one second.

Program​

Program Link：https://makecode.microbit.org/_WrC1kWhizc6E

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

Result​

  • The car runs at different speed.

Think​

  • How do you ensure the car moves at a slower speed constantly?

Questions​

More Information​