{"product_id":"rain-detection-sensor-module-for-arduino-amp-diy-electronics","title":"Rain Detection Sensor Module for Arduino \u0026amp; DIY Electronics","description":"\u003ch2\u003eRain Detection Sensor Module for Arduino \u0026amp; DIY Electronics\u003c\/h2\u003e\n\n\u003cp\u003e\nThis Rain Detection Sensor Module is designed to detect rainfall, water droplets, and moisture levels for weather monitoring and automation projects. The module uses a high-quality FR-04 double-sided sensing plate with nickel-plated surface treatment, providing excellent conductivity, oxidation resistance, and long service life.\n\u003c\/p\u003e\n\n\u003cp\u003e\nEquipped with an LM393 voltage comparator, the module offers both analog and digital outputs, making it suitable for a wide variety of Arduino, ESP32, Raspberry Pi, and IoT applications.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Sensing Plate\u003c\/strong\u003e – FR-04 double-sided board with nickel-plated surface for improved durability and conductivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Detection Area\u003c\/strong\u003e – 5.5 × 4.0 cm sensing surface for reliable rain detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sensitivity\u003c\/strong\u003e – Built-in potentiometer allows fine tuning of detection thresholds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Output Modes\u003c\/strong\u003e – Digital output (DO) and analog voltage output (AO).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLM393 Comparator\u003c\/strong\u003e – Clean signal output with strong driving capability (\u0026gt;15mA).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Voltage\u003c\/strong\u003e – Compatible with 3.3V to 5V systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e – Includes mounting holes for convenient installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicators\u003c\/strong\u003e – Visual indication of power and detection status.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\n\u003cp\u003e\nWhen the sensor plate is dry, the digital output (DO) remains HIGH and the indicator LED is off. When raindrops or water contact the sensing plate, the digital output switches LOW and the indicator LED illuminates.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe analog output (AO) provides a variable voltage corresponding to the amount of water detected, allowing microcontrollers to measure rainfall intensity and moisture levels.\n\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eWeather Monitoring Stations\u003c\/li\u003e\n\u003cli\u003eRain Alarm Systems\u003c\/li\u003e\n\u003cli\u003eSmart Irrigation Projects\u003c\/li\u003e\n\u003cli\u003eAutomatic Window Closing Systems\u003c\/li\u003e\n\u003cli\u003eVehicle Rain Detection\u003c\/li\u003e\n\u003cli\u003eIoT Environmental Monitoring\u003c\/li\u003e\n\u003cli\u003eEducational \u0026amp; STEM Projects\u003c\/li\u003e\n\u003cli\u003eArduino \u0026amp; ESP32 Learning Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Rain \/ Water Detection Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparator IC:\u003c\/strong\u003e LM393\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 3.3V – 5V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Modes:\u003c\/strong\u003e Digital (DO) \u0026amp; Analog (AO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity Adjustment:\u003c\/strong\u003e Onboard potentiometer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection Plate Size:\u003c\/strong\u003e 5.5 × 4.0 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Drive Capability:\u003c\/strong\u003e \u0026gt;15mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Platforms:\u003c\/strong\u003e Arduino, ESP32, ESP8266, Raspberry Pi and other microcontrollers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e1 × Rain Detection Sensor Plate\u003c\/li\u003e\n\u003cli\u003e1 × LM393 Comparator Control Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cem\u003ePerfect for students, makers, educators, and developers building weather monitoring, automation, and IoT projects.\u003c\/em\u003e\n\u003c\/p\u003e","brand":"Arduino","offers":[{"title":"Default Title","offer_id":53642705043755,"sku":"SNS-RAIN-LM393","price":100.0,"currency_code":"MVR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/7500\/3179\/files\/S23de9a22dd0d48378ae611c3b284f610u.webp?v=1780545275","url":"https:\/\/sentechmaldives.com\/products\/rain-detection-sensor-module-for-arduino-amp-diy-electronics","provider":"SenTech Maldives","version":"1.0","type":"link"}