---
product_id: 143988194
title: "Songhe Capacitive Soil Moisture Sensor Module Corrosion Resistant Moisture Detection Garden Watering for Arduino DIY 3.3~5.5V 5pcs"
brand: "songhe"
price: "€ 25.48"
currency: EUR
in_stock: true
reviews_count: 9
category: "Songhe"
url: https://www.desertcart.pt/products/143988194-songhe-capacitive-soil-moisture-sensor-module-corrosion-resistant-moisture-detection
store_origin: PT
region: Portugal
---

# 3.3~5.5V wide voltage range 9.8cm precise sensing distance Corrosion-resistant ceramic metal Songhe Capacitive Soil Moisture Sensor Module Corrosion Resistant Moisture Detection Garden Watering for Arduino DIY 3.3~5.5V 5pcs

**Brand:** songhe
**Price:** € 25.48
**Availability:** ✅ In Stock

## Summary

> 🌱 Stay ahead in smart gardening with precision you can trust!

## Quick Answers

- **What is this?** Songhe Capacitive Soil Moisture Sensor Module Corrosion Resistant Moisture Detection Garden Watering for Arduino DIY 3.3~5.5V 5pcs by songhe
- **How much does it cost?** € 25.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/143988194-songhe-capacitive-soil-moisture-sensor-module-corrosion-resistant-moisture-detection)

## Best For

- songhe enthusiasts

## Why This Product

- Trusted songhe brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Corrosion-resistant ceramic metal ensures long-term durability in any garden environment.
- • **Next-Gen TL555 Chip:** Reliable capacitive sensing beats resistive sensors for accurate soil moisture data.
- • **Real-Time Soil Insights:** Impress your peers with instant, precise moisture readings to optimize plant care.
- • **Wide Voltage Flexibility:** Operates smoothly between 3.3V and 5.5V, perfect for diverse Arduino setups.
- • **Plug & Play Compatibility:** Seamlessly integrates with 3-pin Gravity I/O shields for hassle-free DIY projects.

## Overview

The Songhe Capacitive Soil Moisture Sensor Module uses a TL555 chip and corrosion-resistant ceramic metal to deliver accurate, real-time soil moisture readings. Operating between 3.3 and 5.5 volts, it offers reliable performance and easy integration with Arduino Gravity I/O shields, making it an essential tool for intelligent gardening and DIY plant monitoring.

## Description

Because many people say NE555 does not work, now we have changed to TL555,This analog capacitive soil moisture sensor measures soil moisture levels by capacitive sensing, rather than resistive sensing like other types of moisture sensor It is made of a corrosion resistant material giving it a long service life Insert it into soil and impress your friends with the real-time soil moisture data This module includes an on-board voltage regulator which gives it an operating voltage range of 3.3 ~ 5.5V This sensor is compatible 3-pin "Gravity" interface, which can be directly connected to the Gravity I/O expansion shield

Review: All Work - Great Product- all them work as expected.
Review: Accurate and Not the cheap one - I was able to do a project with these and they worked really well. I did a lot of research on these and I think there are a lot of versions of this product that have some knockoff parts that don’t actually work, but this one seems to be legit!

## Features

- Chip is TL555
- Operating Voltage: 3.3 ~ 5.5 VDC
- Output Voltage: 0 ~ 3.0 VDC
- PH:2.54MM

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SYBSHGX |
| Best Sellers Rank | #76,429 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #91 in Soil Meters |
| Brand | Songhe |
| Brand Name | Songhe |
| Customer Reviews | 4.3 out of 5 stars 227 Reviews |
| Item Dimensions | 3.86 x 0.91 x 0.39 inches |
| Item Weight | 90 g |
| Item dimensions L x W x H | 3.86 x 0.91 x 0.39 inches |
| Manufacturer | Songhe |
| Material | Ceramic Metal |
| Material Type | Ceramic Metal |
| Maximum Supply Voltage | 5.5 volts_of_direct_current |
| Measurement Accuracy | ±15% |
| Model | F24 |
| Mounting Type | Tabletop |
| Number of Items | 5 |
| Number of Packs | 5 |
| Output Type | Analog |
| Part Number | F24 |
| Sensing Distance | 9.8 centimeters |
| Specific Uses For Product | Intelligent agriculture, Moisture detection, Garden plants |
| Style | Modern |
| Style Name | Modern |
| UPC | 738678030462 |
| Upper Temperature Rating | 55 °C |

## Product Details

- **Brand:** Songhe
- **Item Weight:** 90 g
- **Item dimensions L x W x H:** 3.86 x 0.91 x 0.39 inches
- **Material:** Ceramic Metal
- **Style:** Modern

## Images

![Songhe Capacitive Soil Moisture Sensor Module Corrosion Resistant Moisture Detection Garden Watering for Arduino DIY 3.3~5.5V 5pcs - Image 1](https://m.media-amazon.com/images/I/71I+61-rohL.jpg)
![Songhe Capacitive Soil Moisture Sensor Module Corrosion Resistant Moisture Detection Garden Watering for Arduino DIY 3.3~5.5V 5pcs - Image 2](https://m.media-amazon.com/images/I/61gPNMShOdL.jpg)
![Songhe Capacitive Soil Moisture Sensor Module Corrosion Resistant Moisture Detection Garden Watering for Arduino DIY 3.3~5.5V 5pcs - Image 3](https://m.media-amazon.com/images/I/611Zz8ixhmL.jpg)
![Songhe Capacitive Soil Moisture Sensor Module Corrosion Resistant Moisture Detection Garden Watering for Arduino DIY 3.3~5.5V 5pcs - Image 4](https://m.media-amazon.com/images/I/61KyqHJiZgL.jpg)
![Songhe Capacitive Soil Moisture Sensor Module Corrosion Resistant Moisture Detection Garden Watering for Arduino DIY 3.3~5.5V 5pcs - Image 5](https://m.media-amazon.com/images/I/61wQRDRX3tL.jpg)

## Questions & Answers

**Q: do you have a library for the arduino?  How do I calibrate these?  Getting an analog reading does not mean anything..**
A: Take a reading while they are dry (that's your 0% reading), then take a sample of your soil and put it in a pot, insert the sensor and then water the pot until it can't hold any more water, then take another reading that's 100% saturated.
If you want you can put the sensor near a plant and see what level it reads when the plant looks stressed from to little water and make sure you keep it wetter than that.
Note: unless you are measuring pots, the moisture level near the surface is about useless for most plants unless they have very shallow roots..  for plants with deeper roots you probably want to waterproof the top portion of the sensor and bury it about 18" down.

**Q: What is the max distance from a pi  using 3v3 and using cat5 cable can the sensor be and still work ok?**
A: so not sure if you still need this answered or not, but for others it might help.
Im using an Arduino 5v, I used about 10 feet of cat5 cable from arduino to sensor. it changed the value some but you just need to calibrate it for that change.
example,
Arduino to senor without cat 5 = wet "850" / dry "450"
arduino to sensor with 10 feet cat 5 =  wet "700" /dry "300"

**Q: how does this work? do i have to connected to something else?**
A: Yes. Depends on what you want to do with it.
The output is a voltage value. You can connect to an Adruino type device to display it as analog or convert it to a calibrated digital display of percent moisture.

**Q: Will this work (as is) with the Micro:bit?**
A: I dont know understand your question. I plugged it into a data port on a esp 8266 read the data using C+ and  calibtrated it to meet my needs and transmitted it to a Blynk Control Panel  on the internet.

## Customer Reviews

### ⭐⭐⭐⭐⭐ All Work
*by M***8 on May 10, 2026*

Great Product- all them work as expected.

### ⭐⭐⭐⭐⭐ Accurate and Not the cheap one
*by S***Z on December 24, 2024*

I was able to do a project with these and they worked really well. I did a lot of research on these and I think there are a lot of versions of this product that have some knockoff parts that don’t actually work, but this one seems to be legit!

### ⭐⭐⭐⭐ All Work
*by J***M on July 25, 2026*

All 5 sensors work. Tested all 5 in very dry soil to which I added a moderate amount of water. All 5 gave readings of 13-18%, which I consider reasonable and in the ballpark. Don’t know if they will last, but so far so good. I recommend these.

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-15*