{"product_id":"rain-drop-sensor-module","title":"Rain Drop Sensor Module","description":"\u003cmeta name=\"description\" content=\"Buy Rain Drop Sensor Module online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eRain Drop Sensor Module\u003c\/h1\u003e\n\u003cp\u003eDetect rainfall and water presence instantly with this Rain Drop Sensor Module. Featuring a rain detection board and a control module with both analog and digital outputs, this sensor is ideal for building automated weather stations, smart irrigation systems, and rain-activated devices. A must-have module for weather monitoring and IoT projects, available at The Engineer Store, Bengaluru with fast shipping and full technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eRain Drop \/ Water Detection Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V - 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eAnalog (AO) \u0026amp; Digital (DO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComparator Chip\u003c\/td\u003e\n\u003ctd\u003eLM393\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e\n\u003ctd\u003eOnboard Potentiometer (Adjustable Threshold)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Output\u003c\/td\u003e\n\u003ctd\u003eHigh\/Low (Rain Detected \/ No Rain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Output\u003c\/td\u003e\n\u003ctd\u003eVariable Voltage Proportional to Water Level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicator LEDs\u003c\/td\u003e\n\u003ctd\u003ePower LED \u0026amp; Digital Output LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Board Size\u003c\/td\u003e\n\u003ctd\u003eApprox. 54mm x 40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Board Size\u003c\/td\u003e\n\u003ctd\u003eApprox. 32mm x 14mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Principle\u003c\/td\u003e\n\u003ctd\u003eConductivity-Based (Water Bridges Traces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003e4-Pin Header (VCC, GND, AO, DO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e2-Pin Wire Between Sensor Board \u0026amp; Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Platforms\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP8266, ESP32, Raspberry Pi, STM32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Output Modes:\u003c\/strong\u003e Provides both analog output for measuring rain intensity and digital output for simple rain\/no-rain detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sensitivity:\u003c\/strong\u003e Onboard potentiometer lets you fine-tune the digital threshold to match your application requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLM393 Comparator:\u003c\/strong\u003e Reliable comparator chip delivers clean, stable digital output signals with minimal noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates seamlessly at both 3.3V and 5V, making it compatible with virtually any microcontroller platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Indicators:\u003c\/strong\u003e Power and signal LEDs provide instant visual feedback for quick debugging and status monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel-Plated Sensing Traces:\u003c\/strong\u003e Rain detection board features nickel-plated conductive traces for improved corrosion resistance and longer sensor life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Board Design:\u003c\/strong\u003e Separate sensing board and control board connected by wire, allowing flexible mounting and placement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Compact:\u003c\/strong\u003e Small form factor makes it easy to integrate into enclosures, weather stations, and outdoor housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Rain Drop Sensor Module?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic module sourced from trusted and authorized suppliers\u003c\/li\u003e\n\u003cli\u003ePlug-and-play with Arduino and popular microcontroller ecosystems - no complex wiring needed\u003c\/li\u003e\n\u003cli\u003eDual analog and digital output gives you maximum flexibility for different project requirements\u003c\/li\u003e\n\u003cli\u003eOnboard potentiometer eliminates the need for external calibration circuitry\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003eExpert technical support included to help you integrate the sensor into your project\u003c\/li\u003e\n\u003cli\u003eIdeal for both beginners learning sensor interfacing and professionals building commercial systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRain Detection Board:\u003c\/strong\u003e The sensing board has exposed nickel-plated traces arranged in a comb pattern. When water droplets land on the board, they bridge adjacent traces and create a conductive path, changing the resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Board Processing:\u003c\/strong\u003e The control module reads the resistance change and outputs a proportional analog voltage on the AO pin. Simultaneously, the LM393 comparator compares this value against the threshold set by the potentiometer and outputs a digital HIGH or LOW on the DO pin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Reading:\u003c\/strong\u003e The analog output decreases as more water covers the sensing board - a lower value indicates heavier rainfall or more water presence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Reading:\u003c\/strong\u003e When the detected water level exceeds the potentiometer-set threshold, the digital output goes LOW (active low), indicating rain is detected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePin Configuration\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eLabel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003ePower Supply Input (3.3V - 5V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eAO\u003c\/td\u003e\n\u003ctd\u003eAnalog Output - Variable voltage proportional to water level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eDO\u003c\/td\u003e\n\u003ctd\u003eDigital Output - HIGH (no rain) \/ LOW (rain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy Rain Drop Sensor Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eRain Drop Sensor Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eRain Drop Sensor Module\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eRain Drop Sensor Module\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43773655253155,"sku":"TES-EV102200","price":49.82,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/71wjp-s2kml._sl1000.jpg?v=1701073587","url":"https:\/\/www.theengineerstore.in\/or\/products\/rain-drop-sensor-module","provider":"The Engineer Store","version":"1.0","type":"link"}