The system alerts the parents when the distance between the child and the danger zone is less than the safe distance.
Function screenshots:
Alarm demo in school:
https://github.com/AhiGan/Dangerous-Approaching-Alarm-System/blob/master/Demo.mp4
yy189/Dangerous-Approaching-Alarm-System
The system alerts the parents when the distance between the child and the danger zone is less than the safe distance.
Java