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A robust sensor for approximate measurement of nitrogen, phosphorus and potassium (NPK) levels in soil, ideal for precision farming and field applications. With a rugged design (IP68), RS485 MODBUS-RTU communication and a wide power supply range, it allows easy integration with Arduino-type systems and operation in harsh environmental conditions. DFRobot SEN0605
The Soil Sensor is an advanced sensor designed to measure the levels of nitrogen (N), phosphorus (P), and potassium (K) in soil, supporting the optimization of soil fertility and creating ideal conditions for plant growth. With a wide power supply range of 5 to 30 V and data output in the RS485 MODBUS-RTU format, the device is compatible with Arduino UNO and TTL to RS485 converters, making integration easy. The sensor is made from high-quality 316 stainless steel, resistant to corrosion, salt, and long-term electrolysis. Hermetically sealed with epoxy resin, it achieves an IP68 protection rating, allowing for long-term burial in soil or immersion in water.

The sensor is suitable for precision agriculture, greenhouses, vegetable and flower cultivation, pastures, as well as scientific experiments and grain storage. Thanks to its compact dimensions and environmental resistance, it can operate in various soil types without losing accuracy. Measuring NPK enables better fertilization tailored to plant needs, improving yields and crop quality. However, the sensor should be treated as an indicative tool—it does not replace professional laboratory instruments but provides effective support for soil condition monitoring.
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Waterproof soil moisture sensor with analog output. The probe has a pointed tip, which allows it to be easily inserted into the ground. It is supplied with the voltage from 3.3V to 5.5V. DFRobot SEN0308
UART-RS485 converter module. It enables communication of Arduino boards with industrial modules. DFRobot DFR0259
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Soil moisture sensor with analog output. It has a probe with pointed tips, which allows you to easily place it in the ground. The analog output voltage level increases in proportion to the humidity level
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No product available!
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No product available!
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No product available!
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Soil moisture sensor with analogue output. It has a shape resembling a fork, which makes it easy to put it in the ground. The voltage level of the analog output increases in proportion to the ground moisture level. The sensor can be used in an automatic watering system. Version with a 3.5 mm ARK connector. SEN-13637
Seeed Studio 101990982 is a professional RS485 soil sensor that enables simultaneous measurement of moisture, temperature, and electrical conductivity at four different depths. With its robust design and IP68 protection, it is suitable for long-term applications in agriculture, greenhouses, and environmental monitoring, providing reliable data for irrigation and crop optimization.
No product available!
The soil moisture sensor with comparator LM393 has an analogue and digital output (with adjustable switching threshold). modHUM
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The FC-28 sensor is used in automatic irrigation systems, IoT projects, and educational experiments involving soil moisture measurement. It enables accurate monitoring of crop conditions and optimizes water consumption
Soil moisture sensor with analog output. The probe has two pointed tabs, making it easy to insert into the ground. It is supplied with the voltage of 3.3V or 5V. DFRobot SEN0114
A robust sensor for approximate measurement of nitrogen, phosphorus and potassium (NPK) levels in soil, ideal for precision farming and field applications. With a rugged design (IP68), RS485 MODBUS-RTU communication and a wide power supply range, it allows easy integration with Arduino-type systems and operation in harsh environmental conditions. DFRobot SEN0605