EM18 RFID READER PDF

RFID is similar to barcoding in that data from a tag or label are captured by a device that stores the data in a database. The most notable is that RFID tag data can be read outside the line-of-sight, whereas barcodes must be aligned with an optical scanner. Applications RFID is used in many applications like attendance system in which every person will have their separate RFID tag which will help identify person and their attendance. RFID is used in many companies to provide access to their authorized employees.

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You might have seen people swiping their identity cards at the entrance of their offices. Serial Communication. But, we want to change this to act as a Serial Communication Port so that we can connected external peripherals, like RFID Reader in this project, to communicate through serial communication. Enter the Raspberry Pi Configuration Tool by entering the following command. Now, it asks whether you would like to access the login shell over serial communication.

Then, it asks do you want to enable the Serial Port Hardware. Finish the process and Reboot the Raspberry Pi.

After the Raspberry Pi is powered up, once agin login using Putty and in order to check whether the Serial Port is Enabled or not, enter the following command. As we have already enabled the Serial Port of the Raspberry Pi, you can connect these pins to the external peripherals. It is now a good time to note that Raspberry Pi works on 3.

All these values are set in the Python code. This data is further analyzed by the Raspberry Pi and appropriate messages are displayed in the screen.

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