Description:The figure 1 is the circuit diagram of how will the esp module and the RFID module will be connected to the pro micro inside the main HUB.
The pro micro is connected to each computer using the data cable. The computer will act as a power source. The main hub has a hole for the data cable
The figure 2 is the block diagram of the main HUB the hub contains a pro micro and a bidirectional multiplexor.
The figure 3 represents the data transfer will take place in the HUB .The hub will receive data from the module and will transfer the data to the Application.
The figure 4 shows how the data will be displayed in the mobile screen of the super user. It will display the time for which the system is used and the log time. , Claims:We Claim:
1. That our invention is the first of its kind in RFID Based Access Control

2. That, as mentioned in Claim 1 it will ease the management of large number of desktops.

3. That, as mentioned in Claim 1 it will reduce the risk of unauthorised access

4. That, as mentioned in Claim 1 it is an Arduino IDE and Firebase Based Programme

5. That, as mentioned in Claim 1, access authority can be stored in a RFID Card

6. That, as mentioned in Claim 1, it stores and passes information through Cloud Computing

7. That, as mentioned in claim 1, it manages access to Windows devices

8. That, as mentioned in Claim 1, it allows the user to have full authority over his or her desktops

9. That, as mentioned in Claim 1, it records login and logout times

10. That, as mentioned in Claim 1, it is a better way to keep track of one’s working hours