A system that alert parents that a child is still in the car which is indicated by the car key when pressed to lock. If a child is in the sensor detects and the alarm is triggered. If the child is not in the car, it can ...

An alarm clock that triggers a pressure sensor on the bed so the user cannot sleep again after switching off the alarm.

A new auto-unlock door system that will be activated if the lock on the doorknob is being pressed. After 22 minutes, a warning alarm will be triggered for 3 minutes and the time left will be displayed on the LCD screen.