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A compact hardware design of a sensor module for hydroponics | IEEE Conference Publication | IEEE Xplore

A compact hardware design of a sensor module for hydroponics


Abstract:

We developed a compact sensor module for hydroponics that measures the nutrient concentration and water level using simple oscillator circuits. Oscillation frequencies ar...Show More

Abstract:

We developed a compact sensor module for hydroponics that measures the nutrient concentration and water level using simple oscillator circuits. Oscillation frequencies are measured and are found to change in response to the resistance and capacitance between metal wires on a printed circuit board submerged in liquid fertilizer. A microprocessor is mounted on the sensor board for measurement and communication. Expressions relating the oscillating frequencies, liquid fertilizer concentration, water level and temperature were derived through experiments using the sensor module.
Date of Conference: 24-27 October 2017
Date Added to IEEE Xplore: 21 December 2017
ISBN Information:
Conference Location: Nagoya, Japan

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