How to use RFID readers to take care of the empty-nest elderly?

　　As the aging society continues to deepen, the number of empty-nest elderly is increasing, which has become a social problem that cannot be ignored. Therefore, it is very important to remind and take care of elderly people living alone with chronic diseases to take medicine on time. Therefore, it is necessary to use a certain technology to solve and improve the problem of empty-nest elderly taking medicine, and this technology is RFID radio frequency identification technology.

　　RFID radio frequency identification is a non-contact automatic identification technology, which automatically recognizes the target object and obtains related data through radio frequency signals. The identification work does not require manual intervention and can work in various harsh environments. RFID technology can identify high-speed moving objects and can identify multiple tags at the same time, fast and convenient operation

　　A complete RFID system is composed of a reader and an electronic tag (TAG), also known as a transponder (Transponder), and an application software system. Its working principle is that the reader emits radio wave energy of a specific frequency. To the Transponder, it is used to drive the Transponder circuit to send out the internal data. At this time, the Reader receives and interprets the data in sequence and sends it to the application program.

　　The main components of the device are as follows: single-chip microcomputer, GSM module, voice prompt module, reader module and handheld information card.

　　The operating principle of the system is: when the old man remembers the time to take the medicine, when the time comes, he puts the hand-held information card on the RFID reader of the "smart medicine box" to read it, the medicine box opens automatically, and the old man takes out the medicine and takes it; When the old man forgets the time to take the medicine and does not take the medicine during the time, when he swipes the card on the "smart pill box" to get the medicine, the pill box will make a voice and send a text message via the GSM module to the child’s mobile phone to notify the old man that he did not take the medicine on time Information so that children and the elderly can get medicines and take them on time.

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