We upgraded the system from the image above and added the keypad so that the user can enter a password to open or close but, the user can still control the door using a smartphone.
It is necessary to turn on the door's power source in order to open or close it. To open the door, press "*," and to close it, press "#." After pressing * or #, the password must be typed in. The microcontroller will pass the command and the door will be opened or locked if the password is the same as the one entered into the device. The microcontroller's password can be reset.
In this library automation system, RFID technology is being used. A microcontroller LPC2148 with an ARM7 structural design and a unique tag number are used in this technology to identify people and books. The database will be accumulated in this computer and will keep a record about the person who h...
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Read more>>To ensure consistent regulation and payment, attendance must be taken in every institution and organization. Manually taking attendance takes more time and paper. Automatic attendance using finger prints was created to address this issue. The term "biometric attendance system" also applies to this f...
Read more>>This project monitors the water level of the tank and automatically switches on the pump motor when ever tank is empty. When a container or above tank is full, the motor automatically shuts off. This project's major guiding principle is "water conducts electricity." In this project, a 16*2 LCD displ...
Read more>>This system demonstrates a password-based door lock system whereby the door is unlocked and the concerned person is given access to the secured area when the proper code or password is entered. The door would eventually be shut.
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