Press button A to park in reverse. When the ultrasonic sensor detects a wall ahead, Codey Rocky will stop moving and raise an alarm.
If you need the source code, you can click into 'Source Code' to view it.
[ Ссылка ]
![](https://i.ytimg.com/vi/lkofKb6STkk/mqdefault.jpg)
Press button A to park in reverse. When the ultrasonic sensor detects a wall ahead, Codey Rocky will stop moving and raise an alarm.
If you need the source code, you can click into 'Source Code' to view it.
[ Ссылка ]