{"product_id":"capacitive-soil-moisture-sensor","title":"Capacitive Soil Moisture Sensor Module – Corrosion-Resistant Soil Humidity Sensor for Arduino, ESP32 \u0026 IoT Projects","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eCapacitive Soil Moisture Sensor Module\u003c\/strong\u003e is a reliable and corrosion-resistant sensor designed to measure the moisture level present in soil. Unlike traditional resistive soil moisture sensors that use exposed metal probes, this capacitive sensor measures changes in soil capacitance, providing better durability and longer operating life.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe sensor provides an \u003cstrong\u003eanalog output proportional to the moisture level\u003c\/strong\u003e, allowing it to be easily connected to microcontrollers such as \u003cstrong\u003eArduino, ESP32, ESP8266, Raspberry Pi, STM32\u003c\/strong\u003e, and other development boards. It is an excellent choice for developing \u003cstrong\u003eautomatic plant watering systems, smart agriculture solutions, greenhouse monitoring systems, and IoT-based irrigation projects\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith its compact PCB design and simple interface, the Capacitive Soil Moisture Sensor is ideal for students, hobbyists, makers, IoT developers, and agricultural automation applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🚀 Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCapacitive soil moisture measurement\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCorrosion-resistant sensing element\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eLonger service life compared with exposed resistive probes\u003c\/li\u003e\n\u003cli\u003eAnalog output for continuous moisture monitoring\u003c\/li\u003e\n\u003cli\u003eEasy to interface with Arduino, ESP32, ESP8266 and STM32\u003c\/li\u003e\n\u003cli\u003eLow power consumption\u003c\/li\u003e\n\u003cli\u003eCompact and lightweight design\u003c\/li\u003e\n\u003cli\u003eSuitable for indoor and outdoor plant monitoring\u003c\/li\u003e\n\u003cli\u003eIdeal for automated irrigation systems\u003c\/li\u003e\n\u003cli\u003eExcellent for IoT and smart agriculture applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eCapacitive Soil Moisture Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Method\u003c\/td\u003e\n\u003ctd\u003eCapacitive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eAnalog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003eTypically 3.3V – 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eAnalog Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Type\u003c\/td\u003e\n\u003ctd\u003eCapacitive PCB Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosion Resistance\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Material\u003c\/td\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eSoil Moisture \/ Humidity Measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Platforms\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP32, ESP8266, STM32, Raspberry Pi*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e*An ADC interface is required for platforms without a suitable analog input.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 Package Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Capacitive Soil Moisture Sensor Module\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e💡 Recommended Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic plant watering systems\u003c\/li\u003e\n\u003cli\u003eSmart irrigation\u003c\/li\u003e\n\u003cli\u003eSmart agriculture\u003c\/li\u003e\n\u003cli\u003eGreenhouse monitoring\u003c\/li\u003e\n\u003cli\u003eIndoor plant monitoring\u003c\/li\u003e\n\u003cli\u003eIoT gardening systems\u003c\/li\u003e\n\u003cli\u003eAgricultural automation\u003c\/li\u003e\n\u003cli\u003eSoil moisture data logging\u003c\/li\u003e\n\u003cli\u003eArduino gardening projects\u003c\/li\u003e\n\u003cli\u003eESP32 IoT projects\u003c\/li\u003e\n\u003cli\u003eESP8266 smart farming projects\u003c\/li\u003e\n\u003cli\u003eWater-saving irrigation systems\u003c\/li\u003e\n\u003cli\u003ePlant health monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🌱 How It Works\u003c\/h3\u003e\n\u003cp\u003eThe sensor uses \u003cstrong\u003ecapacitive sensing technology\u003c\/strong\u003e to detect changes in the dielectric properties of the soil caused by variations in moisture content. As the soil becomes wetter or drier, the sensor's capacitance changes, producing a corresponding change in its analog output.\u003c\/p\u003e\n\u003cp\u003eA microcontroller can read this analog signal and use it to determine when watering is required.\u003c\/p\u003e\n\u003cp\u003eFor example:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoil Moisture Sensor → ESP32\/Arduino ADC → Moisture Calculation → Relay\/Pump Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis makes it easy to build an \u003cstrong\u003eautomatic plant irrigation system\u003c\/strong\u003e that activates a water pump when the soil becomes sufficiently dry.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🌟 Why Choose a Capacitive Soil Moisture Sensor?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBetter durability than traditional resistive probes\u003c\/li\u003e\n\u003cli\u003eReduced corrosion-related degradation\u003c\/li\u003e\n\u003cli\u003eContinuous analog moisture measurement\u003c\/li\u003e\n\u003cli\u003eSimple three-wire connection on common versions\u003c\/li\u003e\n\u003cli\u003eEasy integration with popular development boards\u003c\/li\u003e\n\u003cli\u003eIdeal for long-term plant and agricultural monitoring\u003c\/li\u003e\n\u003cli\u003eExcellent choice for IoT-based irrigation systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Elecsynergy","offers":[{"title":"Default Title","offer_id":64367059173745,"sku":null,"price":77.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6579\/5185\/files\/Tutorial-for-Interfacing-Capacitive-Soil-Moisture-Sensor-with-Arduino.webp?v=1786171592","url":"https:\/\/elecsynergy.in\/products\/capacitive-soil-moisture-sensor","provider":"Elecsynergy","version":"1.0","type":"link"}