---
product_id: 29425653
title: "5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car"
price: "€ 15.79"
currency: EUR
in_stock: true
url: https://www.desertcart.at/products/29425653-5pcs-lm393-3-3v-5v-soil-moisture-detect-sensor-soil
store_origin: AT
region: Austria
---

# 3.3V-5V wide voltage range Compact 3.2cm PCB with mounting holes Adjustable sensitivity via potentiometer 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car

**Price:** € 15.79
**Availability:** ✅ In Stock

## Summary

> 🌱 Stay ahead in smart gardening with precision moisture sensing!

## Quick Answers

- **What is this?** 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car
- **How much does it cost?** € 15.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/29425653-5pcs-lm393-3-3v-5v-soil-moisture-detect-sensor-soil)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Arduino-Ready:** Seamlessly integrates with microcontrollers for smart watering systems
- • **Compact & Secure:** Small PCB with fixed bolt holes for effortless installation
- • **Plug & Play Precision:** Dual digital & analog outputs for versatile moisture detection
- • **Customizable Sensitivity:** Easily tweak moisture threshold with built-in potentiometer
- • **Budget-Friendly Innovation:** Affordable sensor perfect for prototyping and DIY smart garden projects

## Overview

The HiLetgo LM393 Soil Moisture Sensor offers reliable soil moisture detection with dual digital and analog outputs, adjustable sensitivity, and a compact design featuring mounting holes. Operating between 3.3V and 5V, it’s ideal for Arduino-based automatic watering systems and DIY smart garden projects, delivering cost-effective prototyping with easy integration.

## Description

Wiring ( 4 -wire )： 1）VCC external 3.3V-5V2）GND External3）DO small board digital output interfaces ( 0 and 1 )4）AO analog output voltage of small platesInstruction:1.Sensor for detecting moisture in the soil2.Sodule is the blue potentiometer to adjust the threshold for soil moisture , clockwise adjustment, control humidity will be bigger, smaller counter-clockwise 3.Digital outputs D0 can be directly connected with the microcontroller through the microcontroller to detect high and low , thereby detecting soil moisture4.Small plates AO analog output modules can be connected and AD through the AD converter , you can get a more accurate value of soil moisture 5.Operating Voltage 3.3V-5V6.Has a fixed bolt holes for easy installation7.PCB Size : 3.2cm * 1.4mPackage Included:5*LM393 Soil Moisture Sensor

## Features

- This is a simple moisture sensor can be used to detect soil moisture, when the soil water shortage, the module outputs a high level, whereas the output low.
- Use this sensor to make an automatic watering device that will keep your garden of plants unmanaged.
- Module dual output mode, digital output is simple, more accurate analog output.
- Sensitivity adjustable (Figure blue digital potentiometer adjustment)
- Comparator using LM393 chip, stable job

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.3 out of 5 stars 163 Reviews |

## Images

![5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car - Image 1](https://m.media-amazon.com/images/I/61wRJWEfo5L.jpg)

## Frequently Bought Together

- HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car
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**Shop now:** [https://www.desertcart.at/products/29425653-5pcs-lm393-3-3v-5v-soil-moisture-detect-sensor-soil](https://www.desertcart.at/products/29425653-5pcs-lm393-3-3v-5v-soil-moisture-detect-sensor-soil)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-09-25*