DESIGN OF A HELMET THEFT DETECTION SYSTEM USING THE MQTT PROTOCOL AND BLUETOOTH HC-05 BASED ON ARDUINO
DOI:
https://doi.org/10.71251/Keywords:
Vehicles , Helmets, Sensors, Android, SmartphoneAbstract
The most commonly used vehicle by students is the motorcycle. Students park their motorcycles in the designated parking areas provided by the campus. Most of these parking areas lack helmet storage facilities, and parking attendants are not constantly on duty, resulting in most students placing their helmets on their motorcycles. Based on research questionnaire data on student behavior when parking motorcycles in the parking area, conducted with 30 students from the Faculty of Computer Science at Brawijaya University, it was concluded that students do not pay sufficient attention to helmet security, leading to 12 out of 30 students having experienced helmet theft. Therefore, this study developed a device to prevent helmet theft using a magnetic reed switch sensor as a helmet lock and the Bluetooth HC-05 master-slave connectivity as an indicator of the distance between the helmet and the motorcycle. The MQTT communication protocol is used to transmit data from the system device to the Adafruit IO broker, which then forwards the data to the user's Android application. Data transmission from the system device to the Adafruit IO broker achieved a 100% success rate, with an average transmission time of 2.1 seconds. The average transmission time from Adafruit IO to the user's application was 1 second. The output generated includes a warning alarm that activates when the helmet lock is opened or when the distance between the helmet and the motorcycle exceeds a safe range. To inform users, warning notifications are successfully sent to the user's smartphone.
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Copyright (c) 2025 Heru Nugroho, Danang Mahendra (Author)
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