---
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: "€ 12.01"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/31357087-hiletgo-3pcs-lm393-rain-drops-sensor-weather-moisture-monitor-sensor
store_origin: IT
region: Italy
---

# 15mA drive TTL output High sensitivity HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino

**Brand:** hiletgo
**Price:** € 12.01
**Availability:** ✅ In Stock

## Summary

> 🌧️ Don't let the rain catch you off guard!

## 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?** € 12.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/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

- • **⚡ Robust Output:** Drive relays, buzzers, and small fans directly with a powerful 100mA output.
- • **📏 Generous Size:** Large sensor area (5.0 * 4.0CM) ensures comprehensive moisture monitoring.
- • **🔗 Easy Integration:** Separate raindrop and control boards for hassle-free wiring and setup.
- • **🛡️ Durable Design:** Crafted with FR-04 double-sided materials and nickel-plated surface for longevity and oxidation resistance.
- • **🌟 Superior Sensitivity:** Experience unparalleled moisture detection with adjustable sensitivity via potentiometer.

## Overview

The HiLetgo LM393 Rain Drops Sensor is a high-performance moisture monitor designed for Arduino projects. With its durable nickel-plated surface and adjustable sensitivity, this sensor provides reliable and accurate readings, making it perfect for weather monitoring and automation applications.

## Description

HiLetgo 3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino

## 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

## Product Details

- **Connector Type:** Screw
- **Mounting Type:** Surface
- **Material:** Plastic
- **Color:** black
- **Brand:** HiLetgo
- **Voltage:** 5 Volts
- **Centerline Length:** 5.4 Millimeters
- **Number of Positions:** 3
- **Manufacturer:** HiLetgo

## 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)

## 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
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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-25*