This is not an exhaustive list but will hopefully Provide you broad sweeps of different methods. For more specific information on these devices click the inbound links under. The parts are essentially the consumer, the knowledge/code, plus the sensor over the door/lock. The user will keep in mind and enter https://share.here.com/p/s-Yz1Mb2Nrc21pdGhzJTIwYW5kJTIwU2VjdXJpdHklMjBTeXN0ZW1zJTIwU2VydmljZXM7aWQ9ODQwOW11cTMtZTUxNTEyMGEwZmNkNDAyOThjNWUyYmIwMWM2YmQ5NTQ7bGF0PTMzLjQ4NTAyO2xvbj0tMTE3LjY5MDg5O249QWN0aW9uKzFzdCtMb3NzK1ByZXZlbnRpb247cGg9KzE4ODg2NzA5NjE1?z=16&t=normal