Daftar Isi:
  • This final report describes how to design an open close system the door locks boarding house using E-KTP and SMSgateway Microcontroller Based. This tool uses RFID sensor to read id number of E-KTP, relay driver as drive to unlock door, ATmega328 microcontroller, and gsm SIM900A module. If the wrong E-KTP is used three times in a row then the alarm will be activated followed by sending SMS information to the hosts of boarding house. By sending an SMS to the destination number on the GSM SIM900A module can also unlock the door with the contents of the specified message.