And I want to start my own project and make a participant’s attendance tracking system.
For example, when a participant comes to an event, I scan their barcode with the barcode machine and the system retrieve the data from the Google sheet and show the attendant’s basic information as well as check-in and check-out time.
And then the check-in and check out time data should be collected in the Google sheet and update the attendant’s column.
Can you help me how to start and what I can do for this?
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