International Journal of Engineering Technology and Scientific Innovation
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Adejumobi, O.K., Sadiq, M.O., Adedibu, O.A., Adeshipo, M.E.

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1Computer Engineering Technology Department, The Polytechnic, Ibadan, P.M.B 22, U.I, Post Office, Ibadan, Oyo State.
2Electrical Engineering Department, The Polytechnic, Ibadan, P.M.B 22, U.I, Post Office, Ibadan, Oyo State.

O.K., Adejumobi, et al. "DESIGN AND IMPLEMENTATION OF A SPECTATOR COUNTING SYSTEM." IJETSI, vol. 2, no. 2, 2017, pp. 579-590,
O.K., A., M.O., S., O.A., A., & M.E., A. (2017). DESIGN AND IMPLEMENTATION OF A SPECTATOR COUNTING SYSTEM. IJETSI, 2(2), 579-590. Retrieved from
O.K., Adejumobi, Sadiq M.O., Adedibu O.A., and Adeshipo M.E. "DESIGN AND IMPLEMENTATION OF A SPECTATOR COUNTING SYSTEM." IJETSI 2, no. 2 (2017), 579-590.>

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A Spectator Counter is a device used to count the number of people traversing a certain passage or entrance over a period of time. The device is often used at the entrance of buildings, Amusement parks or stadia so that the total number of people entering and leaving them can be electronically counted and recorded. The aim of this Paper therefore is to present the 'Design and Implementation of a Spectator Counter' for safety, accurate generation of revenue and to prevent overcrowding public places. This device is unique because it offers a relatively accurate means of managing capacity and controlled by software, which can be modified at any time the system demands a change. Here, the system has one (1) Service Barrier or Gate modeled and simulated using a PIC 16F877 Microcontroller as the major component and a Micro-C programming language as the software. Two active infrared sensor systems are used to detect spectators one after the other coming toward the entrance of any public place. From the sensing system a signal conditioning circuit is used in order to get a suitable and desirable output signal that the microcontroller could recognize, process and display the real number of Spectators inside the amusement Park on the seven segment display screen. In conclusion, this counting system can be easily adapted by any electric gate and any form of control which requires the use of sensors. They can be employed in organizations such as, the public car parks, residential parking lots, examination halls etc where no form of security measure is a priority. It is recommended that the design be modified by incorporating an Exit Barrier to accurately determine space availability.