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Sistem Monitoring Kebakaran Dini Berbasis ESP8266 Menggunakan Sensor Api dan Firebase Realtime Database Muhamad Bahrul A’lam; Sujono Sujono
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 1 (2026): Februari: Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i1.8624

Abstract

Fire is a frequent disaster and can cause significant losses, both in terms of material and human safety. Delays in detecting fires are a major factor in their impact. Therefore, an early fire monitoring system capable of providing information quickly and in real time is needed. This research aims to design and implement an Internet of Things (IoT)-based early fire monitoring system using the ESP8266 module as the main controller, a fire sensor as a flame detector, and the Firebase Realtime Database as a medium for online data storage and monitoring. This system works by detecting the presence of fire through the fire sensor, then the ESP8266 sends the detected data to Firebase in real time. This information can be monitored through an application or web monitoring. Test results show that the system is able to detect fire effectively and transmit data to Firebase quickly and stably, making it suitable for use as an early fire warning system.
Rancang Bangun Sistem Pemantauan Suhu Kowi pada Peleburan Emas Berbasis IoT Menggunakan ESP32 dan Blynk Sujono Sujono; Mohammad Ghazi Al Ghifari
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 1 (2026): Februari: Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i1.8812

Abstract

The gold jewelry industry, particularly within Small and Medium Enterprises (SMEs), often faces crucial challenges regarding product quality consistency due to high reliance on conventional melting methods. Currently, the vital control of melting temperature relies solely on the operator's visual intuition in observing the glowing color gradation of the crucible. Dependence on this subjective approach carries significant production risks, including porosity defects, low metal alloy homogeneity, and substantial financial losses due to gold mass shrinkage or evaporation caused by overheating. This study aims to engineer a precise real-time temperature monitoring system based on the Internet of Things (IoT) to address these issues. The system is developed by integrating an ESP32 microcontroller as the main processing unit that processes digital data from a Type-K thermocouple sensor and MAX6675 amplifier module, then visualizing the data directly through the Blynk app interface on a smartphone. The research method includes designing hardware resistant to extreme heat environments, developing smart notification algorithms for early warning, and field testing on 24-karat pure gold melting. Test results show that the system is capable of monitoring the thermal characteristics of melting through outer crucible wall measurements up to a stable temperature of 625 degrees Celsius, which empirically correlates with the liquid phase of pure gold. The system also features responsive data transmission performance with an average latency of only 1.2 seconds. Additionally, the early warning feature successfully operates effectively at a calibration threshold of 620 degrees Celsius. Implementation of this system proves capable of increasing operational time efficiency and minimizing the risk of melting failure, making it a vital appropriate technology solution for the modernization of the gold industry.
Perancangan dan Implementasi Alat Pengusir Hama Burung Berbasis Sistem Audio Menggunakan DFPlayer Mini dan Amplifier PAM8403 pada Area Pertanian Sujono Sujono; Rangga Adi Setiawan
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April: Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9797

Abstract

Bird pests are one of the main causes of reduced crop yields, particularly during the seed formation to ripening stages. Conventional bird deterrent methods, such as scarecrows, reflective tape, and manual monitoring, tend to lose their effectiveness because birds are able to adapt to static stimuli. This study aims to design and implement a low-cost audio-based bird deterrent device. The developed system uses the DFPlayer Mini as an audio player and the PAM8403 amplifier as a power amplifier to drive an external speaker, thereby covering a wider area. This system is controlled by a microcontroller that randomly controls sound playback, both in terms of timing and audio type, to reduce bird habituation. The DFPlayer Mini supports FAT16/FAT32 storage and audio file management, while the PAM8403 is a Class-D amplifier with an output power of up to approximately 3 watts. Testing included functional verification, sound pressure level (SPL) measurements, and power consumption estimates. The results showed that the system operates stably and is capable of producing sound with sufficient intensity to deter birds. The random playback pattern proved more effective than continuous playback. Thus, this device has the potential to be an efficient and environmentally friendly alternative solution for bird pest control.