
41
4.1.4 Check Status Door
The applications to check the status door and electromagnetic lock can be done
by everyone. Users can send SMS command by typing “STATUS” to the GSM modem.
each users will automatically received and SMS that concern about the status door and
electromagnetic lock from GSM modem.
Figure 4.4 Block Diagram Application Check Status Door
4.2 Application Security System
To make this system more specific and effective, security system has be used in
this system. These security system was include safety alert warning system comprising,
users, password and the instruction.
ALARM = IDLE
DOOR = CLOSE
LOCK = ON
Admin &
Registered User&
Unregistered User
Depending on the
status door at the
moment
Comentários a estes Manuais