Low Power PH Sensor for - Wireless Sensor Network Node Agricultural Application

Provided by: International Journal of Advances in Engineering & Technology (IJAET)
Topic: Mobility
Format: PDF
A Wireless Sensor Networks (WSN) is now widely used in precision agriculture applications. Sensors play an important role in WSN. The measurement of soil pH is arguably the most widely performed test in the chemical laboratory, the use of pH sensitive Field-Effect Transistors (pHFETS) is proposed for remote monitoring of the nutrient solution composition for an agricultural farm soil. The proposed system was formed by a sensor system based on polymeric (PVC) membranes with cross selectivity with time triggered sampling of sensor and its signal conditioning.

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