De Lima, Ajay B. creator author. Caayao, Lyka Jobelle M. author. De Luna, Ralph Anthony O. author. Morandarte, Philip D. author. Abanil, Roner adviser. Isaac, Victor Solito DR. chair, panelist. Barbonio, Eugene P. panelist. Ebron, Jayson E. panelist. text bibliography ph 2025 monographic eng

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115 leaves. This study presents a low-cost, real-time water quality monitoring system for Lake Buhi, a freshwater resource vital to the local economy and ecology. The system employs an Arduino Nano and ESP32 microcontroller to measure temperature, pH, turbidity, and dissolved oxygen (DO) using calibrated sensors. Sensor data is transmitted via Wi-Fi to a cloud server and displayed in a web-based graphical user interface (GUI). Results show 0% error in temperature, pH, and turbidity sensors, and a 0.87% average error for DO, proving the system's accuracy. The device addresses the need for sustainable environmental monitoring, offering a reliable alternative to manual sampling in aquaculture zones. Ajay B. De Lima, [and 3 others]. Undergraduate Thesis (BSECE) - Electronics Engineering. Camarines Sur Polytechnic Colleges, 2025. Includes bibliographical references. CSPC 251013 20251013102621.0 eng