7. case 05 Crazy dance
7.1. Our Goal
To make the Ring:bit car to dance in free style.
7.2. Requiered Materials
1 x Ring:bit Car
7.3. Hardware Connect
Connect the left wheel servo to P1 of the Ring:bit expansion board and the right wheel servo to P2(as below picture)
7.4. Software
7.5. 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
to theOn 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 toright
.Generate a random number and assinment to the
left
and theright
.
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/_PXXfa8FF5MWs
If you don’t want to type these code by yourself, you can directly download the whole program from the link below:
7.6. Result
The car runs at different speed.
7.7. Think
How do you ensure the car moves at a slower speed constantly?