High-accuracy and low-cost sensor module for hydroponic culture system

Tomohiro Nishimura, Yuji Okuyama, Akashi Satoh
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引用次数: 5

Abstract

A high accuracy sensor module for hydroponic culture system was developed. The module measures water level, temperature, and nutrient concentration values by using a single device equipped with a low-cost ribbon cable and electrodes. The module has two oscillators and the water level and the concentration value are converted into frequencies of the oscillator signals. After the conversion mechanism and adjustment scheme are explained, the high accuracy of the sensor module is demonstrated.
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用于水培系统的高精度、低成本传感器模块
研制了一种高精度水培系统传感器模块。该模块通过配备低成本带状电缆和电极的单个设备测量水位、温度和营养物质浓度值。该模块有两个振荡器,将水位和浓度值转换为振荡器信号的频率。在阐述了转换机理和调整方案的基础上,论证了传感器模块的高精度。
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