Access to clean water is a vital necessity for communities, particularly in areas that rely on borehole wells as their primary water source. However, manually operating these pumps without an adequate monitoring system can lead to issues such as dry-running, energy waste, and pump damage caused by electrical current irregularities. This study aims to implement an Internet of Things (IoT)-based monitoring system for borehole pump water levels and electrical current using an ESP32 microcontroller. Unlike systems that focus solely on water availability, this study integrates water level monitoring (via an HC-SR04 sensor), electrical current monitoring (via an ACS712 sensor), and a low-water protection mechanism (using a float switch) into a unified system featuring real-time Telegram notifications. The research methodology encompasses a literature review, field observations, system design, hardware and software implementation, and functional testing of each system component. Test results demonstrate that the HC-SR04 sensor successfully detects water level changes, the ACS712 sensor accurately reads the pump's electrical current, and the system effectively triggers automatic protection via a relay when low water levels are detected. Additionally, the system activates a buzzer alarm and sends warning notifications to the user via Telegram. Functional testing confirms that all system components operate according to the design, offering a practical solution to enhance the safety and reliability of borehole pump operations through real-time remote monitoring.
Adhy Syaputra Nge, Petrus Katemba, H. Heni· METHODIKA: Jurnal Teknik Inf...· 0 citations
Tire pressure is a critical factor affecting vehicle safety, riding comfort, fuel efficiency, and tire lifespan. Conventional tire pressure inspection is generally performed manually, making continuous monitoring difficult. This study aims to develop a real-time Tire Pressure Monitoring System (TPMS) based on the ESP32 microcontroller integrated with the Blynk Internet of Things (IoT) platform for monitoring tire pressure and temperature on two-wheeled motor vehicles. The system was developed using the prototype method, including requirement analysis, hardware and software design, implementation, and performance evaluation. Functional testing was conducted by comparing TPMS pressure readings with a standard tire pressure gauge and measuring the transmission latency from the ESP32 to the Blynk application under various operating conditions. The experimental results show that the proposed system achieved an average front tire pressure measurement error of 1.08% while rear wheel error averaged at 0.44% and an average data transmission delay of 0.431 millisecond, indicating that the system provides accurate measurements and fast real-time communication. Furthermore, the developed system successfully monitored tire pressure and temperature continuously, enabling early detection of abnormal tire conditions and supporting preventive maintenance. These findings demonstrate that the proposed IoT-based TPMS offers a practical, low-cost, and reliable solution for improving motorcycle safety through continuous tire condition monitoring.
Albert Valentino Mata Rohi, Petrus Katemba, Semlinda Juszandri Bulan· METHODIKA: Jurnal Teknik Inf...· 0 citations
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