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Case 01 Full speed ahead

Our Goal

  • To make the Ring:bit Car to go ahead and reverse.

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 go straight at full speed into the On start block.
  • The port number is based on the actual servo connection port.

Step 3

  • Snap the go straight at full speed block into the on button A pressed block.

Step 4

  • Snap the reverse at full speed block into the on button B pressed block.

Program

Program Link：https://makecode.microbit.org/_TE46vM0uUTgo

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

Completed!

  • When button A is pressed, the car will go straight at full speed.
  • When button B is pressed, the car will reverse at full speed.

Think

How can you make your car to stop when button A is pressed ?

Questions

More Information