Automatic Door Opening system
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In general, a smart card is an integrated circuit card with memory capable of making decisions. A smart card, chip card or integrated circuit card (ICC), is defined as any pocket-sized card with embedded integrated circuits which can process information. In this project, we are using a contact smart card where the information inside the card is communicated with the card reader by inserting card into the card reader. The card reader in this project used is an SR-90 SDK of 1KB memory size. In this project, the smart card reader is interfaced with the micro controller and when the card is inserted into the module, it reads the data in the card and displays on the LCD. If the data in the card is matched with the data stored in the program memory, then it compares and displays authorized message. If the data is not matched it displays unauthorized message. For authorized message, the door will be opened and closed automatically after a small delay. If it is an unauthorized person it alerts the persons through a buzzer. The door will drive by DC gear motor by l293d driver. In this project 7805 is a regulator and it avoids noise spikes in power supply. Smart card reader is connected microcontroller through serial port. These smart card readers works under 9600 or 4800 baud rates. 16X2 LCD connected to microcontroller through digital I/O lines. Micro Controller : AT89S52 Crystal : 11.0592 MHz Lcd : HD44780 Led : 5mm Red LED Max232 Smart Card Reader Software Requirements Keil Proteus Uc Flash Embedded C Prog Isp
Automatic Door Opening system
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door systems
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The Schüco ADS 50.NI (Non Insulation) door system has an impressively small basic depth. It is particularily suitable for warmer climates and can also be used for interiors. The different options for integration in the building management system mean that the doors are versatile and can be used economically, e.g. as side entrance doors or in public buildings. They offer the developer numerous design options for integration in the building envelope.
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