Mar 29, 2016
GSM Modem is connected to microcontroller. User has to send Password in sms to this GSM modem. If password is correct then Access is allowed to the security system. Buzzer is turned on for wrong password.
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GSM Modem is connected to microcontroller. User has to send Password in sms to this GSM modem. If password is correct then Access is allowed to the security system. Buzzer is turned on for wrong password.