CAFFE VISITOR COUNTER SYSTEM USES ANDROID INTEGRATED ULTRASONIC SENSORS AND BLUETOOTH

Dewi Lestari; Elvan  Yuniarti

doi:10.15408/gpn2qc13

Authors

Dewi Lestari Engineering Study Program, Faculty of Science, Engineering and Design, Trilogi University, Indonesia
Elvan Yuniarti Department of Physics, Faculty of Science and Technology, Syarif Hidayatullah State Islamic University Jakarta, Indonesia

DOI:

https://doi.org/10.15408/gpn2qc13

Keywords:

Caffe, Arduino, Ultrasonic Sensors, Bluetooth

Abstract

Developments in the business world are increasingly widespread, especially in the culinary field such as Caffe, almost every city in Indonesia has places to hang out and drink like Caffe. Technological developments here are very important, namely helping cafe owners to check every month how many visitors come to their cafe. In this community service, a tool is made that is useful for counting the number of visitors to the cafe using an ultrasonic sensor that is integrated with Bluetooth. Ultrasonic sensor is a sensor that is used to detect objects with a certain distance measurement. Bluetooth is. In this research, the integration between Bluetooth and ultrasonic sensors is carried out to calculate the number of customers in a cafe. The method used is an experimental method by measuring how much the accuracy value of the ultrasonic sensor counts the number of customers with several repetitions. The research results show that the ultrasonic sensor is most capable of reading data at <= 15 cm, and the readings on the Android via Bluetooth are 100% readable

Author Biography

Dewi Lestari, Engineering Study Program, Faculty of Science, Engineering and Design, Trilogi University, Indonesia

Department Teknik Informatika

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