{"product_id":"5-in-1-npk-ph-ec-soil-sensor-rs485","title":"5-in-1 NPK, pH \u0026 EC Soil Sensor – RS485","description":"\u003ch3\u003e\u003cspan\u003e5-in-1 NPK, pH \u0026amp; EC Soil Sensor – RS485\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5-in-1 NPK, pH \u0026amp; EC Soil Sensor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a multi-parameter agricultural monitoring probe designed to measure important soil characteristics, including nitrogen (N), phosphorus (P), potassium (K), pH, and electrical conductivity (EC).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEquipped with an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRS485 communication interface\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the sensor enables digital data transmission over long cable distances, making it suitable for smart agriculture, greenhouse automation, soil monitoring, and industrial agricultural systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe sensor features five stainless-steel probes and a 2-meter cable for convenient installation in soil monitoring applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e5-in-1 Soil Monitoring:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Measures nitrogen, phosphorus, potassium, pH, and electrical conductivity.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNPK Detection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides estimates of essential soil nutrient levels.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSoil pH Measurement:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Helps monitor soil acidity and alkalinity.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eElectrical Conductivity Measurement:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports monitoring of soil conductivity and salinity-related changes.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRS485 Communication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for long-distance digital data transmission.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWide Power Supply Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Operates from 5V to 30V DC.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFive-Probe Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for direct insertion into soil.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e2-Meter Cable:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides flexible installation options.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAutomation Integration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Suitable for compatible PLCs, microcontrollers, and agricultural monitoring systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMulti-Parameter Soil Sensor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMeasurement Parameters\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNitrogen, Phosphorus, Potassium, pH, EC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Parameters\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProbe Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5-Pin Soil Probe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRS485\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5–30V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCable Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Meters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInstallation Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect Soil Insertion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAgriculture and Soil Monitoring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eCommunication and Connection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe sensor uses an RS485 interface for communication with compatible controllers and monitoring equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTypical Integration Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eArduino:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Through a compatible TTL-to-RS485 transceiver module.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eESP32:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Through a 3.3V-compatible RS485 transceiver.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRaspberry Pi:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Through a compatible USB-to-RS485 adapter.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePLC Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Through an available RS485 communication port.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe exact wiring, communication protocol, baud rate, and register addresses must be confirmed from the sensor manufacturer's documentation before integration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSmart Agriculture\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision Farming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGreenhouse Monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSoil Nutrient Monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAgricultural Research\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSoil pH Monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSoil Conductivity Monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomated Agricultural Monitoring Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIoT-Based Farming Projects\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePower Supply:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Requires a suitable 5–30V DC supply.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRS485 Interface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cannot connect directly to standard UART pins without an appropriate RS485 interface.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCommunication Protocol:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Confirm whether the supplied model supports Modbus RTU and obtain its register map before integration.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNPK Measurements:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nutrient readings from electrical soil probes may be estimates and should not be considered equivalent to laboratory soil analysis.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCalibration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Measurement accuracy depends on soil conditions and the manufacturer's calibration method.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInstallation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ensure proper contact between the sensing probes and the soil.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWater Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The probe's waterproof rating has not been confirmed. Protect cable connections and associated electronics from moisture.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × 5-in-1 NPK, pH \u0026amp; EC Soil Sensor Probe with 2-Meter Cable\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Robot Pi Shop","offers":[{"title":"Default Title","offer_id":41100659359877,"sku":"SN-000156-DVR","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/5Pins_6c0198af-98b5-437c-a0b1-c4d0a7c3e10b.jpg?v=1767558581","url":"https:\/\/robotpishop.com\/products\/5-in-1-npk-ph-ec-soil-sensor-rs485","provider":"Robot Pi Shop","version":"1.0","type":"link"}