Soil NPK ( Nitrogen (N), Phosphorus (P), and Potassium (K)) Sensor for Agriculture Nutrient Fertility Cultivation Irrigation for automatic smart irrigation system based on soil sensor, automatic start according to soil conditionsNPK stands for Nitrogen (N), Phosphorus (P), and Potassium (K) whi..
This integrated soil nutrient sensor can measure soil moisture, electrical conductivity, temperature, nitrogen, phosphorus, potassium, and pH 7 elements at the same time. It can be used for long-term and stable measurement of soil conditions in a fixed area at a cheap price. Using RS485 Modbus stand..
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