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All Journal Komunikasi Fisika Indonesia
Mulkan Iskandar Nasution
Department of Physics, Universitas Islam Negeri Sumatera Utara, Deli Serdang 20353, Indonesia
Earth & Planetary Sciences Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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Designing a mosque charity box with voice recognition and GPS based on the internet of things Ainun Azizah; Masthura Masthura; Mulkan Iskandar Nasution
Indonesian Physics Communication Vol 21, No 2 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.2.171-174

Abstract

A security system for mosque donation boxes has been designed and built with the goal of developing a tool that can identify mosque charity box theft using the Internet of Things. The ATmega328P and ESP-32 microcontrollers are the two used in this device. Additionally, a GPS module, speech recognition, and an HC-SR04 ultrasonic sensor are included with this tool. This demonstrated that the Neo-6M GPS Module was used quite accurately with a distance difference of about 3 m. The test results from the GPS on the mosque's donation box obtained latitude and longitude points of 3.492006 and 98.587856, respectively, while the coordinate points on Google Maps were 3.491760 and 98.587943. The HC-SR04 ultrasonic sensor's purpose is to track movement in the Afterwards, a buzzer or early-warning alarm will ring, and Wi-Fi will notify the telegram application of the coordinates. This tool also includes a pretty contemporary voice recognition-based system for opening and closing donation boxes, which can accurately record, recognize, and detect sound.
Application of solar panels in IoT-based bird pest control tools Fitri Harahap; Nazaruddin Nasution; Mulkan Iskandar Nasution
Indonesian Physics Communication Vol 21, No 2 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.2.149-154

Abstract

The use of solar panels in bird pest control equipment in the rice field zone is based on the internet of things (IoT), which aims to create bird pest control equipment for farmers. This control system is equipped with a PIR sensor whose role is to determine the presence of birds in the rice field zone. The distance range when a bird is found is 5 meters, and an ultrasonic speaker will be active when there is bird movement in the rice field. This speaker uses an ultrasonic wave frequency of 20 kHz. RTC testing is used as a timer to reset the number of invasions in 1 × 24-hour intervals at 00.00 WIB. Next, there is a test of sending (transmitter) and receiving (receiver) LoRa material information near ± 450 meters, information to be sent and placed on the dashboard things board.
Implementation of gas leak detection and security systems in smart homes Sonya Sasmita Simanjuntak; Mulkan Iskandar Nasution; Nazaruddin Nasution
Indonesian Physics Communication Vol 21, No 2 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.2.143-148

Abstract

Leakage of liquified petroleum gas (LPG) cylinders or devices is still one of the main causes of fires known for its flammability so that leaks in LPG are at high risk of fire. To overcome this, a tool is made to prevent crime or gas leaks that often occur to homeowners. This research was conducted to find out the security control system for homeowners and overcome if a gas leak occurs. The method used in this tool is the method of designing a tool to detect gas leaks and a security system at home when left by the owner. From the test results of the prototype that has been designed, the error percentage is 1.6% and also in the MQ2 sensor section where the distance conditions and variables used are distance, time and gas source so that if gas is detected, the fan will turn on and an sms message will appear on the smartphone.
Co-Authors Ainun Azizah Fitri Harahap Masthura Masthura Nazaruddin Nasution Sonya Sasmita Simanjuntak