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send to the relay driver to activated the relay control. Once the relay control active, the
electromagnetic lock ON to closed the door and vice versa.
The security system also be included in this system. This system able to inform
the admin users if any criminal invasion happened. This system also secure some
building. In case if user send a wrong password or command, this system cannot be
proceed to the next stage. Then this users immediately received a warning SMS from
GSM modem. Command SMS that were send from users must be different to any
situations to make system operated. For microcontroller ATMega32 is a powerful device
in this system. This microcontroller ATMega32 were be able to save maximum
registered number until 65 number for one time. So that mean as many as 65 users can
uses this system. Seems like this system can be used in the meeting room, faculty class,
office and etcetera. So for the overall conclusion of this project, to make the successful
system of control automatic door lock via SMS, there is a lot of things to be consider
such as these system able to protect that building or residence, able to easily used by
user and be able to inform or responded through a users.. If one of them does not work
then the system cannot follow the instructions set.
Figure 5.1 Product Control Door Lock System Via SMS
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