Have been made equipments of system controller of house security by SMS (Short
Message Service) with microcontroller ATMega8535 and programed by C language. This system
expected can help someone to observe and control situation of house, by exploiting technology of
SMS Gateway.
This system use 2 functioning censor as censor move and 1 of relay which incircuit with a
alarm. Process data system use IC Microcontroller ATMega8535 which programed with C
Ianguage through compiler program of CodeVisionAVR. System connected with Siemens SL45
handphone functioning as server. Data interfaced to handphone serially.
From test result it seen that the system can work automatically to deliver the
commemoration if happened danger to a pawnbroker in the form of certain text format in the
form of SMS. Besides that owner also can control the alarm and lamp only by sending certain
text format of SMS
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