The queue system will visualize the queue number and the directed counter number in the LCD monitor and play the recorded sound file through the loudspeaker. Computer is connected with the microcontroller and the other hardware. Input from the keypad is processed by the computer using Borland Delphi. The hardware consists of computer, keypad, ATMega16 microcontroller, RS-232 communication, and USB to serial converter. The queue system can substitute the designated person who distributes the ticket number and call the order. To overcome the extensive queue, especially at the university that has thousands of students, an automatically programmed and reliable queue system is needed. Almost in every private university, the enrollment of the prospective students is conducted every month, thus in some periods, there will be some overlapping with the enrollment for the current students.
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