The Engineering Design Process is a series of stages in getting a solution that must be passed by a designer with a technical background. This stage begins with social studies to collect information and also observations about the problems and needs of an environment in the community so that the technology produced can be applied appropriately in the community. Penetian was carried out in a library in Tanjung pinang city, where through the large number of visitors who came, a security system was needed in the library to protect important items from library visitors. Therefore, a technology innovation called RFID-based storage lockers is proposed. This innovation is a security system design where RFID Tags that have a UID Card are initialized as library member cards which are then scanned on RFID Reader to find out the lockers will open or remain locked. This RFID-based storage locker is designed with several main devices, namely Arduino Uno, RFID Reader, RFID Tag, servo motor, buzzer and LED. The research begins with observation, then the discussion to get a proposed solution of some of the problems found. The stages of making simple prototypes are needed to get the appropriate initial design form, and no less important are the stages of prototype testing and experience with prospective users.
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