Rancang Bangun Kontrol Peralatan Dispenser dan Pengukuran pH

Abstract

This final project aims to design and build a water dispenser equipped with a pH measurement system and touchless control. The device is designed so that users can access drinking water hygienically without having to touch any part of the dispenser, thereby minimizing the spread of germs or bacteria. The system uses a pH sensor to monitor water quality in real time, and an infrared sensor to detect the presence of the user’s hand. An Arduino Uno microcontroller processes the sensor data and controls the water pump automatically. The pH measurement results are displayed on an LCD, making it easy for users to monitor water quality. Test results show that the dispenser works as designed, with the pump activating when a hand is detected and the water’s pH value displayed properly. This device is expected to be a practical solution for providing safe, hygienic, and easy-to-use drinking water.