case 05 Crazy dance
Contents
8. case 05 Crazy dance#
8.1. Our Goal#
To make the Ring:bit car to dance in free style.
8.2. Requiered Materials#
1 x Ring:bit Car
8.3. 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)
8.4. Software#
8.5. 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:
8.6. Result#
The car runs at different speed.
8.7. Think#
How do you ensure the car moves at a slower speed constantly?