Vol. 105, Issue 6, June 2009, pp.42-49

Designing of Water Quality Detector Using pH Sensor

^1*Pavika Sharma, ¹ Prerna Garg, and ² P. A. Alvi

¹Department of Electronics Engineering, AIM & ACT,

Banasthali University-304022, Rajasthan, India

²Department of Physics, Banasthali University-304022, Rajasthan, India

*E-mail: pavika.sharma2@gmail.com

Received: 4 May 2009   /Accepted: 22 June 2009   /Published: 30 June 2009

Abstract: In this paper a novel technique has been developed to determine the water quality in order to identify whether the water is drinkable or not. This approach uses an electronic circuit consisting of pH sensor, comparator (741- 8 pin IC), ADC (0808-28 pin IC), micro controller (A89s51-40 pin IC), and LCD (2 lines x 16 characters) for the purpose of output display. Micro controller based program has been generated and results are observed with the help of pH sensor for different water samples.

Keywords: pH sensor, Comparator, ADC, Micro controller, LCD Device

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