--- product_id: 31357087 title: "HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino" brand: "hiletgo" price: "10781CFA" currency: XOF in_stock: true category: "Hi Letgo" url: https://www.desertcart.sn/products/31357087-hiletgo-3pcs-lm393-rain-drops-sensor-weather-moisture-monitor-sensor store_origin: SN region: Senegal --- # 15mA strong drive output Large 5.4x4.0cm rain detection area Adjustable sensitivity potentiometer HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino **Brand:** hiletgo **Price:** 10781CFA **Availability:** ✅ In Stock ## Summary > 💧 Stay ahead of the storm with precision rain sensing! ## Quick Answers - **What is this?** HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino by hiletgo - **How much does it cost?** 10781CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/31357087-hiletgo-3pcs-lm393-rain-drops-sensor-weather-moisture-monitor-sensor) ## Best For - hiletgo enthusiasts ## Why This Product - Trusted hiletgo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Output Modes:** Analog and digital outputs provide versatile integration options for any Arduino or microcontroller project. - • **Robust Signal Output:** Clean TTL digital output with 15mA drive capacity powers relays, buzzers, and small fans directly—no extra components needed. - • **Customizable Sensitivity:** Easily fine-tune detection thresholds with the built-in potentiometer to match your environment’s unique moisture levels. - • **Plug & Play Installation:** Compact, surface-mount design with positioning holes and screw connectors for hassle-free setup and stable mounting. - • **Precision Rain Detection:** Large nickel-plated sensor board ensures superior oxidation resistance and conductivity for reliable moisture monitoring. ## Overview The HiLetgo LM393 Rain Drops Sensor is a high-quality, nickel-plated moisture detection module designed for Arduino and microcontroller projects. Featuring a large 5.4x4.0cm sensing area, adjustable sensitivity, and dual analog/digital outputs with strong 15mA drive capability, it offers reliable, oxidation-resistant rain detection with easy installation and versatile integration. ## Description Instructions: When connected to a 5V power supply , power indicator light, no water droplets on-board sensors , DO output is high, switch lights off, drop a drop of water , DO output is low, the switch indicator lightBrush above water droplets, has returned to output high stateAO analog output can be connected to the microcontroller AD port to detect drops in the above rainfall sizeDO TTL digital outputs can also be connected to the microcontroller to detect whether there is rain .Features:Power indicator, output signal LED indicatorNo rain when the LED light output is high, the raindrop up, the output level, LED light.Large area raindrops, more conducive to the detection of rain.Board with positioning holes for everyone to installVoltage: 5VControl board board size: 3 * 1.6 MMLarge area raindrop test board 5.4 * 4.0 MMWiring:1. VCC: positive power supply (3-5V)2. GND: power supply is negative3. DO: TTL switching signal output4. AO: analog signal outputPackage Included:3*LM393 Rain Drops Sensor ## Features - The sensor uses high quality FR-04 double-sided materials, large area of 5.0 * 4.0CM, and nickel-plated surface, with oxidation resistance, conductivity, and life expectancy superior performance - Comparator output, the signal clean, good waveform, strong driving ability, more than 15mA - The raindrop board and the control board are separate, easy to lead the line - TTL level output, TTL output valid signal is low. Drive capacity of about 100MA, direct drive relays, buzzers, small fans, and so on. - Adjust sensitivity by potentiometer ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01DK29K28 | | Best Sellers Rank | #818 in Single Board Computers (Computers & Accessories) | | Brand Name | HiLetgo | | Centerline Length | 5.4 millimeters | | Connector Type | Screw | | Customer Reviews | 4.3 4.3 out of 5 stars (120) | | Manufacturer | HiLetgo | | Material Type | Plastic | | Model | 3-01-0312-A | | Mounting Type | Surface | | Number Of Contacts | 6 | | Number Of Poles | 3 | | Number of Positions | 3 | | Part Number | 3-01-0312-A | | Pitch | 5.4 millimeters | | Voltage | 5 volts | ## Product Details - **Brand:** HiLetgo - **Centerline Length:** 5.4 millimeters - **Connector Type:** Screw - **Item Pitch:** 5.4 millimeters - **Material:** Plastic - **Mounting Type:** Surface - **Number Of Contacts:** 6 - **Number Of Poles:** 3 - **Number of Items:** 800 - **Voltage:** 5 volts ## Images ![HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino - Image 1](https://m.media-amazon.com/images/I/617ytyKRSnL.jpg) ![HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino - Image 2](https://m.media-amazon.com/images/I/61rMh0tgrYL.jpg) ![HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino - Image 3](https://m.media-amazon.com/images/I/614GtyXMVlL.jpg) ![HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino - Image 4](https://m.media-amazon.com/images/I/71CaScDp8xL.jpg) ![HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino - Image 5](https://m.media-amazon.com/images/I/51+Du5sRIiL.jpg) ## Questions & Answers **Q: Will these work with a Raspberry Pi?** A: Yes **Q: Will it work with a 12V supply?** A: You will want a good, stable 5 volt supply of using with Raspberry Pi. **Q: is it 5 or 3.3v? description says 5, but title says both.** A: It will work with either the 3.5 or 5 volt signal from your Arduino board. ## Frequently Bought Together - HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino - HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/31357087-hiletgo-3pcs-lm393-rain-drops-sensor-weather-moisture-monitor-sensor](https://www.desertcart.sn/products/31357087-hiletgo-3pcs-lm393-rain-drops-sensor-weather-moisture-monitor-sensor) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-03*