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Emulates the process of validating user attendance upon time of request based on given UserID input.
References a Database of Valid Student Numbers to check for legibility and formulates output accordingly using 7SD (7 Segment Display)
--> Output formulated in hex code with respective hexadecimal values to emulate letters and numbers (as done on a calculator display)
Uses potentiometer of the board on ADC Port 0 to allotted attendance window size per administrator discretion before being validated as late.