In this study case, you are going to learn how to make your ring:bit car draw a circle.
Please read our pamphlet within the package for the process of ring:bit car assembly. You have to prepare micro:bit and AA batteries by your own.
Once you have completed assembling your car, bind the pen to the tail of your car using a rubber band.
For the whole program, please refer to the link here: https://makecode.microbit.org/_VUcg0t2yKEfW
Or, you can download it directly by the website below.
How to make your ring:bit car run a square path?