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Item #:
85062166
Capacitive Soil Moisture Sensor 3.3V Compatible with Arduino (2-PAC)
77% of respondents would recommend this to a friend
Item #:
85062166
TZS 97095
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The components of the sensor are over-molding, making it waterproof and more sensitive and accurate. It comes with an 85 cm Micro USB cable and a female adapter for hassle-free usage.
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What Stands Out
High Sensitivity
Utilizes capacitive technology for increased accuracy, providing precise moisture readings which help in effective irrigation management.
Arduino Compatible
Easily integrates with Arduino boards, making it ideal for DIY enthusiasts and developers looking to automate gardening systems seamlessly.
Durable Design
Constructed for long-lasting use, this sensor resists corrosion and ensures reliable performance in various soil types, minimizing replacement frequency.
Product Details
| Battery Description | No batteries required |
| Mounting Type | Tabletop |
| Upper Temperature Range | 85 u00b0C |
| Voltage | 3.3 |
| Item Weight | 1.12 ounces (31.75 grams) |
| Color | blue |
| Brand Name | Plantmate |
| Number of Items | 2 |
| Manufacturer | Plantmate |
| UPC | 766133580689 |
| Item Type Name | Sensor |
| Brand | Plantmate |
Who Should Buy?
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Arduino Hobbyists
Ideal for those experimenting with Arduino projects, enabling easy integration for moisture measurement in plants.
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Home Gardeners
Perfect for home gardeners seeking to monitor soil moisture levels efficiently, promoting better plant health.
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Educational Purposes
Suitable for educational projects, allowing students to learn about sensors and soil moisture in a hands-on way.
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Commercial Farmers
May not be precise enough for professional agricultural practices requiring advanced moisture monitoring technology.
Product Description
Capacitive Soil Moisture Sensor 3.3V Compatible with Arduino (2-PAC)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is a Capacitive Soil Moisture Sensor and how does it work?
Answer: A Capacitive Soil Moisture Sensor is a device designed to measure the moisture level in soil by detecting changes in capacitance caused by varying moisture content. Unlike resistive sensors, which can corrode over time, capacitive sensors remain more stable and durable. When the soil is moist, the sensor's capacitance increases, which is interpreted by an Arduino or other microcontroller to provide an accurate reading. This technology is particularly useful for automating irrigation systems in gardening or agricultural applications. -
Question:
Is the Capacitive Soil Moisture Sensor 3.3V compatible with Arduino boards?
Answer: Yes, the Capacitive Soil Moisture Sensor operates at 3.3V and is compatible with most Arduino boards, including Arduino Uno, Nano, and Mega. This compatibility allows for seamless integration into various projects, enabling users to easily set up monitoring systems for soil moisture levels. Utilizing Arduino's extensive libraries will help programmers quickly develop their applications for garden automation, smart plant care, or other innovative gardening solutions. -
Question:
What are the main advantages of using capacitive sensors over resistive ones?
Answer: Capacitive sensors offer several key advantages compared to resistive soil moisture sensors. They are less prone to corrosion, leading to longer service life, and they typically provide more accurate readings under varying conditions. Additionally, capacitive sensors are less affected by salinity and soil type, making them more versatile for different gardening scenarios. This makes them ideal for applications in hydroponics, automated watering systems, and even environmental monitoring projects. -
Question:
Can I use the Capacitive Soil Moisture Sensor for both indoor and outdoor plants?
Answer: Absolutely! The Capacitive Soil Moisture Sensor is suitable for both indoor and outdoor applications. Its design ensures that it can efficiently measure moisture levels in various soil types, whether in a potted plant indoors or a garden bed outside. For practical use, hobbyists and gardeners can implement this sensor to optimize their irrigation practices, ensuring plants always receive the right amount of moisture, thus promoting healthy growth. -
Question:
How do I connect the Capacitive Soil Moisture Sensor to an Arduino?
Answer: Connecting the Capacitive Soil Moisture Sensor to an Arduino is straightforward. You’ll typically find three pins: VCC for power, GND for ground, and the signal pin. Start by connecting the VCC pin to the 3.3V output on your Arduino, followed by connecting the GND pin to a ground pin. Finally, attach the signal pin to one of the analog input pins on the Arduino. This setup allows the Arduino to read the moisture levels efficiently, which can be used for further processing in your projects. -
Question:
What Arduino code should I use to read data from the sensor?
Answer: To read data from the Capacitive Soil Moisture Sensor, you can use a basic Arduino sketch. First, define the analog pin connected to the sensor. The loop function will read the analog value continuously and print it to the serial monitor. This basic structure allows you to detect soil moisture levels accurately. From there, you can modify the code to create alerts or control water pumps for automatic irrigation based on the moisture readings. -
Question:
How does temperature affect the readings of the Capacitive Soil Moisture Sensor?
Answer: Temperature can influence the readings of the Capacitive Soil Moisture Sensor, as it affects the dielectric constant of the soil. As soil temperatures rise, it can alter moisture readings slightly. However, capacitive sensors are generally more stable than resistive ones in varying temperatures. To maintain accuracy, it’s advisable to calibrate the sensor based on the specific expected temperature range of your environment, which ensures reliable moisture level monitoring during different seasons. -
Question:
What is the ideal placement of the sensor in the soil?
Answer: For optimal performance, the Capacitive Soil Moisture Sensor should be placed at the root level of the plants, usually about 10-15 cm deep. This ensures that you measure the moisture content available to the roots effectively, allowing for better irrigation decisions. Avoid placing the sensor too close to plant stems to prevent inaccurate readings due to localized moisture spikes. Correct placement helps in maintaining healthy plant hydration and growth. -
Question:
How does the sensor handle different soil types?
Answer: The Capacitive Soil Moisture Sensor is designed to work effectively with various soil types, including sandy, loamy, and clay soils. It functions based on changes in capacitance, which is less influenced by soil texture compared to resistive sensors. Users can adapt their projects to diverse gardening conditions without worrying about sensor malfunction. For landscapers and hobbyists, this adaptability makes it an excellent choice for any soil composition. -
Question:
Where can I buy the Capacitive Soil Moisture Sensor 3.3V Compatible with Arduino in Tanzania?
Answer: You can purchase the Capacitive Soil Moisture Sensor 3.3V Compatible with Arduino from Ubuy. Ubuy is a reliable e-commerce platform that offers a wide range of electronic components and tools, including sensors. Their online platform makes it easy to browse and order the product you need for your gardening or automation projects.
Plantmate Soil Meters Editorial Review
Capacitive Soil Moisture Sensor 3.3V Compatible with Arduino (2-PAC) is an efficient tool designed for gardening enthusiasts seeking to monitor moisture levels in soil effortlessly. This sensor, made by Plantmate, does not require batteries and can be easily mounted on a tabletop. Users have reported that it integrates smoothly with Arduino setups, and after proper calibration, it provides precise moisture readings for various plants. Although some users noted wire quality issues after prolonged outdoor use, the overall experience remains positive, with many enjoying the result of their DIY projects, making it a fun addition to any home automation system.
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Pros
- Easy to interface with Arduino setups
- No batteries required for operation
- Compact and lightweight design
- Ideal for both indoor and outdoor use
- Compatible with various Arduino boards
Cons
- Wires may deteriorate after extended outdoor use
Platform Trust & Buyer Confidence
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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8 September 2026 · via Trustpilot
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TZS 97095
Order now and get it around Wednesday, October 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Waterproof and sensitive components
- 85 cm Micro USB cable included
- Enhanced accuracy with sensor probes on both sides
- Compatible with low-voltage MCUs
- Long service life with corrosion-resistant material
- Real-time soil moisture data for garden plants and intelligent agriculture
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