---
product_id: 442659327
title: "HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car"
brand: "hiletgo"
price: "₨6478"
currency: LKR
in_stock: false
reviews_count: 5
url: https://www.desertcart.lk/products/442659327-hiletgo-5pcs-lm393-3-3v-5v-soil-moisture-detect-sensor
store_origin: LK
region: Sri Lanka
---

# 3.3V-5V wide voltage range Dual digital & analog output Adjustable sensitivity via potentiometer HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car

**Brand:** hiletgo
**Price:** ₨6478
**Availability:** ❌ Out of Stock

## Summary

> 🌱 Cultivate smarter, not harder — automate your garden’s thirst with precision!

## Quick Answers

- **What is this?** HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car by hiletgo
- **How much does it cost?** ₨6478 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/442659327-hiletgo-5pcs-lm393-3-3v-5v-soil-moisture-detect-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

- • **Compact & Durable Design:** Compact 3.2cm x 1.4cm PCB with fixed bolt holes for effortless, secure installation anywhere.
- • **Customizable Sensitivity:** Easily fine-tune moisture thresholds with the onboard blue potentiometer to match your plant’s needs.
- • **Plug & Play Compatibility:** Seamlessly integrates with Arduino and other microcontrollers for smart gardening automation.
- • **Energy Efficient Operation:** Operates on a low 3.3V-5V power supply, perfect for sustainable, battery-powered projects.
- • **Precision Moisture Detection:** Dual output modes (digital & analog) for versatile, accurate soil moisture readings.

## Overview

The HiLetgo LM393 Soil Moisture Sensor is a compact, dual-output sensor designed for precise soil moisture detection. Operating within a 3.3V-5V range, it offers both digital and analog outputs for flexible integration with Arduino and other microcontrollers. Featuring an adjustable sensitivity potentiometer and easy installation with fixed bolt holes, this sensor empowers smart, automated watering systems to keep your plants thriving effortlessly.

## 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

Review: Work well they appear to be accurate great for the value not sure about the durability but will let you know later and easy to use
Review: Needed these sensors for a school project. Worked as expected and didn't need to calibrate them. Very happy with my purchase.

## 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 |
|---------------|-------|
| ASIN | B01DKISKLO |
| Are batteries included? | No |
| Brand | HiLetgo |
| Customer Reviews | 4.3 4.3 out of 5 stars (149) |
| Date First Available | 12 April 2020 |
| Item Weight | 36 g |
| Item model number | 3-01-0313-A |
| Manufacturer | HiLetgo |
| Model number | 3-01-0313-A |
| Number of Memory Sticks | 800 |
| Package Dimensions | 11.9 x 8.9 x 2.2 cm; 36 g |

## Images

![HiLetgo 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/31Nwgc2EDRL.jpg)
![HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car - Image 2](https://m.media-amazon.com/images/I/41+6g2RCR9L.jpg)
![HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car - Image 3](https://m.media-amazon.com/images/I/41TcPN4OUuL.jpg)
![HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car - Image 4](https://m.media-amazon.com/images/I/41opVuFuXUL.jpg)
![HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car - Image 5](https://m.media-amazon.com/images/I/41qtzxMruTL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 1 June 2025*

Work well they appear to be accurate great for the value not sure about the durability but will let you know later and easy to use

### ⭐⭐⭐⭐⭐ Review
*by N***E on 13 July 2025*

Needed these sensors for a school project. Worked as expected and didn't need to calibrate them. Very happy with my purchase.

### ⭐⭐⭐⭐ Review
*by X***R on 2 January 2021*

I am taking a point off for the wrong indication, you do not want to put this into soil it will corrode. It would also need an AC circuit to make it not corrode which you would need to modify this circuit to support. It is much better as a leak or water detection device. This is what I am using it for, to detect water leaks, in my setup. The device will self destruct if you leave it in water for any length of time. It will plate out you can put some conformal coating on it to help it last a bit longer in water, in the end though it is not the right part for soil moisture detection as advertised. If you are looking for a soil moisture detector you are better off with a capacitive style sensor.

## 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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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-17*