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Evaluation of Low-Cost Water Quality Measurement System
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
2015 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Water is a very important element in our daily life, being able to check the water quality by ourselves would be a useful project to improve our life quality. My idea is to create something cheap and easy to examine the water quality and test it to see if it is capable for outdoor using as well.

In this project I chose a DS18B20 as a temperature sensor. To get a system which can work as a water pump I chose an L298P as a motor driver board to support the electric motor, a Hall flow meter to get the flow and quantity, and a Water sensor to get the conductivity. With the Arduino and the Visual Studio user interface program, the system can extract the data that we want.

The result of the measurement shows it is possible to analyse the water quality by comparing the conductivity of the known liquid to a test sample in a controlled environment.

The system shows great promise of being a cheaper and easier system but still needs to improve accuracy, by reducing outside influence (like temperature), thereby enabling the system to work in more harsh environments.

Place, publisher, year, edition, pages
2015. , 39 p.
Keyword [en]
DS18B20, L298P, Arduino, Visual Studio
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:miun:diva-27179OAI: diva2:909040
Educational program
International Bachelor's Programme in Electronics TIELG 180 higher education credits
Available from: 2016-03-04 Created: 2016-03-04 Last updated: 2016-03-04Bibliographically approved

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Jiang, Meng
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