ARDUINO-BASED MONITORING OF ACIDITY AND BASICITY IN MINERAL WATER, WELL WATER, AND DEPOT WATER

Annisa Dini  Pratiwi Sitorus; Yulkifli Yulkifli; Yohandri Yohandri; Resti Fevria

doi:10.24036/00f77w85

Authors

Annisa Dini Pratiwi Sitorus Department of Physics, Universitas Negeri Padang, Jl. Prof. Dr. Hamka Air Tawar Padang 25131, Indonesia Author
Yulkifli Department of Physics, Universitas Negeri Padang, Jl. Prof. Dr. Hamka Air Tawar Padang 25131, Indonesia Author
Yohandri Department of Physics, Universitas Negeri Padang, Jl. Prof. Dr. Hamka Air Tawar Padang 25131, Indonesia Author
Resti Fevria Universitas Negeri Padang Author

DOI:

https://doi.org/10.24036/00f77w85

Keywords:

Water pH, Arduino Uno Microcontroller, pH-4502C Sensor, Water Content Monitoring

Abstract

The quality of drinking water is strongly influenced by its pH value which shows the acidity or basicity of water. This study aims to design and test an Arduino Uno-based water acidity and basicity monitoring tool, which can be used to measure pH in three types of water sources: Le Mineral Water, Well Water, and Depot Water. The system uses a pH sensor to measure water acidity and basicity, comparing the results with the WHO’s safe range of 6.5-8.5. The experimental results show that all water samples have pH values that are within the neutral range and safe for consumption: 7.71 - 7.76 for Le Mineral Water, 7.55 - 7.56 for Well Water, and 7.67 - 7.81 for Depot Water. This system is proven effective for real-time monitoring of water pH and can be used as a simple and economical solution in maintaining the quality of household consumption water.

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