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The Development of a Portable Ardunio-Based Water Quality Meter

JSHS · 2022

Macy Putnam, Kassie Henry and Terri Tobias · Southeastern High School, Augusta, IL

Overview

Due to increasing environmental degradation from agriculture and urbanization, there is a growing need for accessible water quality monitoring instrumentation. This is particularly true in developing countries who often lack proper infrastructure. In this paper, we present the development of a low cost, portable, and accurate water quality meter based on open-source hardware and software. The meter consists of a pH, conductivity, and turbidity sensors. The meter was compared to a Hach water quality meter. Both the pH and conductivity probes proved to be accurate and cost effective when tested. However, the turbidity sensor readings varied widely from the commercial meter and had a large margin of error. Using open-source hardware and software such as Ardunio can make analytical equipment such as water quality meters more cost effective and accessible to a wider range of consumers.

Competition history

  • JSHS 2022 Category not listed

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Source: Junior Science and Humanities Symposium

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