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IoT-enabled Appointment Device
The Process
FINGERPRINT
SENSOR
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A sensor is needed in the Appointment Device that will detect the identity of the student. This will lessen the work of both the student and the professor in setting an appointment in which they wouldn't need to meet eye-to-eye to set it. Also with this sensor, the student could still make an appointment even if the professor is not in his/her office. The sensor that was used in this device is a fingerprint sensor called TTL (GT-511C3) and it is integrated with a microcontroller (Either Arduino Uno/Arduino Yun).
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A Web App was developed using free web hosting site. The purpose of this web app is to let the professor remotely interact with the device. One use case of this is when the professor have to change the status on the device to "OUT" when they already left the building. It also handles storing information about the user accounts, sending appointment request emails, and setting default IN/OUT messages.
NETWORK
COMMUNICATION
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Lastly, a network communication is needed in this appoinment device. The fingerprint sensor circuit will send the data (student's name, student number and purpose) to the server. And the server will be the one to send automatically the data to the professor's mail or even post tweets to twitter . There are two ways of implementing this: one is the use of Arduino Uno + wifly RN-XV while the other one is the use of only the Arduino Yun.
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