--- product_id: 256334291 title: "HiLetgo 5pcs LM393 Soil Moisture Sensor Automatic Watering System for Arduino" brand: "hiletgo" price: "฿804" currency: THB in_stock: true reviews_count: 5 category: "Hi Letgo" url: https://www.desertcart.co.th/products/256334291-hiletgo-5pcs-lm393-soil-moisture-sensor-automatic-watering-system-arduino store_origin: TH region: Thailand --- # Dual digital & analog output Compact 3.2cm PCB with mounting holes Adjustable sensitivity knob HiLetgo 5pcs LM393 Soil Moisture Sensor Automatic Watering System for Arduino **Brand:** hiletgo **Price:** ฿804 **Availability:** ✅ In Stock ## Summary > 🌱 Automate your garden’s thirst with smart precision! ## Quick Answers - **What is this?** HiLetgo 5pcs LM393 Soil Moisture Sensor Automatic Watering System for Arduino by hiletgo - **How much does it cost?** ฿804 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/256334291-hiletgo-5pcs-lm393-soil-moisture-sensor-automatic-watering-system-arduino) ## 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 - • **Customizable Sensitivity:** Easily tweak moisture threshold with the built-in blue potentiometer to suit your garden’s unique needs. - • **Plug & Play Compatibility:** Seamlessly integrates with Arduino and other microcontrollers for effortless DIY automation. - • **Budget-Friendly Innovation:** Get reliable moisture sensing without breaking the bank—perfect for smart gardeners and makers alike. - • **Precision Moisture Detection:** Dual output modes (digital & analog) for versatile, accurate soil moisture readings. - • **Compact & Secure Installation:** Slim 3.2cm PCB design with fixed bolt holes ensures neat, stable mounting in any setup. ## Overview The HiLetgo LM393 Soil Moisture Sensor is a compact, dual-output module designed for Arduino projects and DIY automatic watering systems. Featuring adjustable sensitivity via a digital potentiometer and stable operation with the LM393 comparator chip, it delivers both digital and analog soil moisture readings. Its small PCB with mounting holes ensures easy installation, making it an affordable, versatile tool for smart gardening and environmental monitoring. ## 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: Good product Review: Good for detecting a water leak - bad for detecting soil moisture ## 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 | | ASIN | B01DKISKLO | | Batteries Included? | No | | Batteries Required? | No | | Customer Reviews | 4.3 4.3 out of 5 stars (153) | | Customer reviews | 4.3 4.3 out of 5 stars (153) | | Date First Available | 12 June 2016 | | Date First Available | 12 June 2016 | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 1 | | Item Weight | 36 g | | Item model number | 3-01-0313-A | | Item model number | 3-01-0313-A | | Manufacturer | HiLetgo® | | Manufacturer | HiLetgo® | | Package Dimensions | 11.9 x 8.9 x 2.2 cm; 36 g | | Package Dimensions | 11.9 x 8.9 x 2.2 cm; 36 g | | Part number | 3-01-0313-A | ## Images ![HiLetgo 5pcs LM393 Soil Moisture Sensor Automatic Watering System for Arduino - Image 1](https://m.media-amazon.com/images/I/61wRJWEfo5L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good product *by N***E on 13 July 2025* ### ⭐⭐⭐⭐⭐ Good for detecting a water leak - bad for detecting soil moisture *by K***H on 28 April 2019* ### ⭐⭐⭐⭐ This is not for detecting water level in soil *by X***R on 2 January 2021* ## 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 - 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 - AEDIKO 4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger --- ## 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.co.th/products/256334291-hiletgo-5pcs-lm393-soil-moisture-sensor-automatic-watering-system-arduino](https://www.desertcart.co.th/products/256334291-hiletgo-5pcs-lm393-soil-moisture-sensor-automatic-watering-system-arduino) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-30*